API 6A A c tu Ators - Array

Manufacturers of high quality pneumatic and hydraulic 

actuators for on and off-shore wellhead surface safety, 

drilling, distribution and storage applications. 

An ARRAY HoLDINGs company © 2010 

Document # Br-0100-00 rev B, 

API 6A 

ActuAtors

DEDICATED TO SERVICE 

Whether you are a small independent operator 

or a diversified energy services company, 

Array is committed to being your actuation partner.

ARRAY – DEDICATED TO SERVICE 

In today’s highly competitive oil and gas industry you need 

an Actuation supplier who can: 

• Provide high-quality, reliable actuators 

• Address the actuation needs of multiple industry segments 

• respond to unique configuration requirements 

• Actuate valves from any manufacturer 

• Deliver a full suite of necessary accessories 

• stay on schedule and within budget 

At Array, our focus is on being your actuation partner. 

our global sourcing network and domestic manufacturing 

facilities ensure that Array has the ability to respond 

to both short and long term procurement horizons, 

configuration challenges, accessory requirements and 

budget constraints. 

Whether you are looking for a wellhead safety valve for 

on or off-shore use, an automated drilling valve or a 

storage system safety shutdown valve, Array wants to be 

your actuation partner. 

Your ACTUATION PARTNER 

IN toDAY’s coMPEtItIVE 

oIL AND GAs INDustrY.

TABLE OF CONTENTS 

our Environment – Make a Difference 5 

Actuator Models and configuration options 7 

Model APD Pneumatic Diaphram Actuator 9 

Model APH Hydraulic Actuator 11 

Model APHD Hydraulic Double Acting Actuator 13 

Model APHW Hydraulic Actuator 15 

Model APP Piston Pneumatic Actuator 17 

Model APPM Piston Pneumatic Actuator 19 

Limited Warranty 22 

TABLE of CONTENTS 

for ArrAY ActuAtors

Array actuators are designed to be used as safety and 

control systems in drilling, wellhead, distribution and storage 

applications both on and off-shore. 

the sole purpose of every actuator manufactured by Array is 

to control the flow of volatile, often toxic, liquids and gases and 

keep them from being emitted into the atmosphere or spilled 

on the ground or into the water. 

that is why every actuator we sell is manufactured to exceed 

standards set forth by the American Petroleum Institute (API) in 

specification 6A, Latest Edition and why Array’s quality systems 

and the quality systems of all of our suppliers are certified by 

API and/or the International standards organization (Iso). 

It is also why we spend so much time working closely with our 

customers and suppliers to continuously improve the quality 

of our actuators, as well as the efficiency of our systems – 

because we recognize that the quality of our products can 

positively impact the quality of our environment. 

It is our primary concern and motivation. 

API License # 6A-0557 

page 6 

OUR ENVIRONmENT 

MAkE A DIffErENcE

page 7 

APD 

Pneumatic Diaphragm 

APH 

Hydraulic/spring return 

Pneumatic Actuator Models 

APP 

Pneumatic Piston 

Hydraulic Actuator Models 

APHD 

Hydraulic/Double Acting 

APPM 

Pneumatic Piston 

APHW 

Hydraulic/Wirecutting/ 

spring return 

Array pneumatic and hydraulic actuators are available in a wide range of sizes and configurations suitable for on and off-shore 

wellhead surface safety, drilling, distribution and storage applications. Array also offers a full range of accessories for all of 

its actuators – for more information please see the Array Actuator Accessory Brochure.

Actuated Valve Assembly: 

All Array actuators can be delivered already mounted on Array gate valves, 

tested and ready to put into service. completed assemblies are shipped 

directly to field locations or customer warehouses as required. Array stocks 

a complete line of actuated valve assemblies for rapid deployment. 

Actuator & Bonnet Assembly (Customer Mount): 

Most Array actuators can be delivered complete with a bonnet assembly 

designed to mount directly on another manufacturer’s valve that is prepared 

for actuator. Array actuators are routinely shipped to customers all over the 

world for local mounting and testing by the customer. 

Actuator & Bonnet Assembly (Array Mount): 

Array actuators can be mounted directly on customers’ valves and tested at 

Array facilities prior to deployment. this can reduce lead time and allow 

customer personnel to focus on other aspects of the project. 

ACTUATOR mODEl 

CONFIGURATION COmPARISON APD APP APPm APH APHW APHD 

MotIoN Linear Linear Linear Linear Linear Linear 

coNtroL MEDIuM Pneumatic Pneumatic Pneumatic Hydraulic Hydraulic Hydraulic 

cAN AccoMMoDAtE H2s (sour) 

coNtroL MEDIuM No Yes Yes N/A N/A N/A 

LoW tEMP VErsIoN AVAILABLE 

(-50f, -46 c) No Yes Yes Yes Yes Yes 

PrEssurIZED HousING Yes Yes Yes No No Yes 

PErMANENt DrIft sEttING Yes Yes Yes Yes Yes Yes 

BAck sEAt fIrEsEAL standard standard standard standard standard optional 

oPtIoN to ADAPt to ANY 

MANufActurEr’s VALVE Yes Yes No* Yes Yes Yes 

MANuAL oVErrIDE Available Available Integrated Available Available Available † 

fusIBLE MANuAL oVErrIDE Available Available N/A Available Available Available † 

MANuAL Lock oPEN DEVIcE Available Available N/A Available Available Available † 

fusIBLE Lock oPEN DEVIcE Available Available N/A Available Available Available † 

PosItIoN INDIcAtor 

(LIMIt sWItcH) AssEMBLY Available Available N/A Available Available Available 

coMPLEtE rEDrEss kIts AVAILABLE Yes Yes Yes Yes Yes Yes 

* the Model APPM is only offered as a complete actuated valve assembly 

† the Model APHD is not a fail-safe actuator. Accordingly, manual overrides and lock open devices do not open the valve but rather hold the valve in the 

down position, which could be open or closed depending on the gate configuration 

page 8 

CONFIGURATION OPTIONS 

for ArrAY ActuAtors

page 9 

upper Housing 

Lower Housing 

Diaphragm Nut 

Drift shims 

Bonnet Packing 

Valve Bonnet 

top shaft 

top seal Package 

Packing retainer 

Pressure relief Device 

Vent fitting 

Bonnet stem 

Parts list includes items in a typical bonnet assembly. some differences may exist in bonnets for valves manufactured by 

companies other than Array. In those cases the specific differences are usually limited to the design of the bottom of the 

bonnet and operating stem. 

Diaphragm 

Actuator spring 

Bonnet ring

mODEL APD PNEUmATIC DIAPHRAGm ACTUATOR 

FOR API 6A WELLHEAD GATE VALVES 

(SINGLE ACTUATOR APPLICATIONS) 

GENERAL DESCRIPTION 

the Model APD actuator is a diaphragm type, pneumatically-powered 

gate valve actuator designed to operate a “fail-closed” or “fail-open” 

safety valve. It is ideally suited for wellhead safety valve applications, 

flow lines, header valves and gathering lines. It can also be used for 

casing relief valve and storage valve applications. 

the Model APD actuator is lightweight, easy to maintain and engineered 

to ensure years of trouble-free service in the harshest of environments 

and operating conditions on land or off-shore. 

the Model APD actuator can be delivered as an actuated valve 

assembly ready to be placed in service or as an actuated bonnet 

assembly ready to mount on another manufacturer’s valve. 

FEATURES AND BENEFITS 

Longer Top Shaft Seal Life: PolyPak seals are used for 

top shaft dynamic sealing applications. these seals are 

protected from accumulation of dirt and debris by a durable 

wiper ring. these two features provide long seal life and 

minimal maintenance. 

Ease of Maintenance: top shaft seals are easily replaced in the 

field by simply removing a retainer ring. Disassembly of the 

actuator or upper housing is not required for seal replacement. 

Improved Corrosion Control: All non-stainless components 

are coated with Xylan and Polyester tGIc providing resistance 

against the corrosive effect of harsh environments. 

Over-pressurization Protection: A pressure relief device on the 

actuator top case protects personnel from over-pressurization 

of the actuator assembly. It is located for easy field inspection 

and replacement. 

Confirmation of Bonnet Stem / Back Seat Seal Integrity: 

the bonnet is designed with a test fitting below the bonnet 

seals. this test fitting provides for verification of the bonnet 

stem metal to metal backseat pressure sealing integrity. 

Visual Confirmation of Bonnet Packing Integrity: A tattletale 

port located above the bonnet packing seals provides visual 

confirmation of the packing integrity. the Bonnet is provided 

with a port that can be tubed to a containment vessel to 

present escape of fugitive emissions into the atmosphere. 

(shown with typical bonnet assembly) 

Modular Design: tandem boosters (additional diaphragm 

actuators) can be mounted in the factory or the field to provide 

higher actuation force. 

Multiple Safeguards Against Well Fluids Contamination: the 

bonnet incorporates multiple safeguards against the invasion 

of well fluids into the actuator housing. these safeguards are: 

• Metal to metal back seat/stem seal 

• Multiple Polypak bonnet stem seals 

• Packing integrity port 

• secondary backup seals utilize o-rings 

Personnel Safety: Locking screws below the bonnet ring 

prevent free rotation of the actuator. this guards against 

personnel injury should the actuator be used as a step during 

field service operations. 

mODEL SIZE STROKES AVAILABLE 

APD 1000 10" up to 2 1 ⁄16" bore 

APD 1200 12" up to 3 1 ⁄8" bore 

APD 1500 15" up to 4 1 ⁄16" bore 

APD 1800 18" up to 5 1 ⁄8" bore 

APD 2000 20" up to 7 1 ⁄16" bore 

page 10

page 11 

Valve Bonnet 


Piston 

Drift shims 

Bonnet ring 


top shaft 

Piston seal 

cylinder 


Actuator Housing 

Vent fitting 

Bonnet stem 





bonnet and operating stem.

mODEL APH HYDRAULIC ACTUATOR 


GENERAL DESCRIPTION: 

the Model APH actuator is a piston type, hydraulically-powered gate valve 

actuator designed to operate a “fail-closed” or “fail-open” safety valve. 

It is ideally suited for wellhead safety valve applications, flow lines, header 

valves and gathering lines. It can also be used for casing relief valve and 

storage valve applications. 

the Model APH actuator is compact, easy to maintain and engineered to 

ensure years of trouble-free service in the harshest of environments and 

operating conditions on land or off-shore. 

the Model APH actuator can be delivered as an actuated valve assembly 

ready to be placed in service or as an actuated bonnet assembly ready to 

mount on another manufacturer’s valve. 

FEATURES AND BENEFITS: 

Longer Top Shaft Seal Life: the top shaft seals are Polypak 

seals designed for dynamic sealing applications. the top 

shaft seals are protected from dirt and debris by a molythane 

rod wiper. the two design features guarantee a longer seal 

life requiring minimal maintenance. 

Non-Pressurized Spring Housing: the non-pressurized 

housing is designed as a structural protective member for the 

actuator cylinder, piston and springs. this prevents any injury 

to personnel or equipment in the event of debris or tools 

impacting the housing. 




Over-Pressurization Protection: A pressure relief device 

protects the piston and cylinder assembly from over-pressurization 

and protects personnel from injury. It is located externally for 

easy field inspection and replacement. 





Permanent and Tamper Proof Drift Setting: the valve drift 

is provided with stainless steel drift shims that are located on 

the top of the packing retainer. the location of the shims 

inside the spring housing ensures that the valve drift is 

tamper proof. 

Multiple Safeguards Against Well Fluids Contamination: 

the bonnet incorporates multiple safeguards against the 

invasion of well fluids into the actuator housing. these 

safeguards are: 






Personnel Safety: Actuator can be completely removed and 

disassembled using simple hand tools. the cylinder module 

can be removed from the housing without removing the 

actuator from bonnet. the spring can be easily removed from 

the compressed position to the relaxed position or free length 

by hand using a wrench. 


APH 025 2 1 ⁄2" up to 2 9 ⁄16" bore 

APH 035 3 1 ⁄2" up to 4 1 ⁄16" bore 

APH 045 4 1 ⁄2" up to 6 3 ⁄8" bore 

APH 065 6 1 ⁄2" up to 7 1 ⁄16" bore 

APH 095 9 1 ⁄2" up to 7 1 ⁄16" bore 

page 12

page 13 

Bonnet stem 

cylinder head 

Piston seal 

Piston 

set screws 

Valve Bonnet 


top shaft 


Wear Bearing 

cylinder 

stem seals 

Bonnet Bushing 


Packing Injection fitting 

Parts list includes items in a typical handwheel bonnet assembly. some differences may exist in bonnets for valves manufactured 

by companies other than Array. In those cases the specific differences are usually limited to the design of the bottom of the bonnet, 

operating stem, and nose geometry.

mODEL APHD HYDRAULIC DOUBLE ACTING ACTUATOR 



the Model APHD actuator is a piston type, hydraulically-powered 

gate valve actuator designed to operate a slab gate valve in both 

open and close directions. It is ideally suited for choke-and-kill, 

fracture or other drilling manifold applications where complete 

hydraulic control of gate valve position is required. 

the Model APHD actuator is compact, easy to maintain and 

engineered to ensure years of trouble-free service in the harshest 

of environments and operating conditions. 

the Model APHD actuator can be delivered as an actuated valve 


assembly ready to mount on another manufacturer's valve. 


Housing: the pressurized housing is designed as a protective 

member for the piston and stem. the design is symmetrical 

thereby simplifying assembly. A hard plated wear surface 

protects and ensures seal integrity. 

Over-Pressurization Protection: Dual pressure relief 

devices protect the piston and cylinder assembly from 

over-pressurization and protect personnel from injury. 

they are located externally for easy field inspection 

and replacement. 

Ease of Maintenance: top shaft can be replaced by removal 

of top cylinder head. to replace piston seal, remove piston 

from actuator housing. this concept provides easy removal 

and seal replacement. 


designed for dynamic sealing applications. the top shaft seals 

are protected from dirt and debris by a molythane rod wiper. 

these two design features guarantee a longer seal life 

requiring minimal maintenance. 

(shown with typical handwheel bonnet assembly) 

Permanent and Tamper Proof Drift Setting: the valve drift is 

provided by an external drift adjustment. the rotation of the 

lower cylinder base internally adjusts the piston stroke for 

proper gate bore alignment. the bonnet bushing secures the 

lower cylinder base by means of heavy duty fasteners. 










• secondary backup seals that utilize o-rings and 

back up rings 


APHD 035 3 1 ⁄2" up to 4 1 ⁄16" bore 

APHD 045 4 1 ⁄2" up to 7 1 ⁄16" bore 

APHD 065 6 1 ⁄2" up to 7 1 ⁄16" bore 

APHD 095 9 1 ⁄2" up to 7 1 ⁄16" bore 

page 14

page 15 

Piston 

Drift shims 

Valve Bonnet 


Bonnet stem 

top shaft 


Piston seal 

Actuator Housing 

Inner Actuator spring 

outer Actuator spring 

Bonnet ring 



Vent fitting 




mODEL APHW HYDRAULIC ACTUATOR 



the Model APHW actuator is a piston type, hydraulically-powered 

gate valve actuator designed to provide fail-safe closure in the 

event of a wireline accident. It employs a dual coil spring return 

system that delivers sufficient return force to guarantee severance 

of standard wireline or slickline, 7 /32" logging or 3 /16" stainless 

steel cables. 

the Model APHW actuator provides sufficient closing force to shear 

logging or stainless cable in most standard wellhead applications 

with zero valve body pressure in typical valves up to 7 1 /16" bore. 

the Model APHW actuator is powerful, easy to maintain and 


of environments and operating conditions on land or off-shore. 

the Model APHW actuator can be adapted for use on any 

manufacturer’s valve. 



seals designed for dynamic sealing applications. the top 

shaft seals are protected from dirt and debris by a molythane 

rod wiper. the two design features guarantee a longer seal 

life requiring minimal maintenance. 

Non-Pressurized Spring Housing: the non-pressurized 

housing is designed as a structural protective member for 

the actuator cylinder, piston and springs. this prevents any 

injury to personnel or equipment in the event of debris or 

tools impacting the housing. 



against the corrosion effect of harsh environments. 









Permanent and Tamper Proof Drift Setting: the valve drift 

is provided by stainless steel drift shims that are located 

on the top of the packing retainer. the location of the shims 

inside the spring housing ensures that the valve drift is 

tamper proof. 










Personnel Safety: Actuator can be completely removed and 

disassembled using simple hand tools. the cylinder module 

can be removed from the housing without removing the 

actuator from bonnet. the springs can be easily removed 

from the compressed position to the relaxed position or free 

length by hand using a wrench. 


APHW 045 4 1 ⁄2" up to 6 3 ⁄8" bore 

APHW 065 6 1 ⁄2" up to 7 1 ⁄16" bore 

APHW 095 9 1 ⁄2" up to 7 1 ⁄16" bore 

page 16

page 17 

top Plate Assembly 

retainer Nut 

Piston Assembly 

Drift shims 

Bonnet ring 

Valve Bonnet 

top shaft 



spring 

Lower Plate Assembly 

Vent fitting 

Bonnet stem 


cylinder 





mODEL APP PISTON PNEUmATIC ACTUATOR 



the Model APP actuator is a piston type, pneumatically-powered 

gate valve actuator designed to operate a “fail-closed” or 

“fail-open” safety valve. It is ideally suited for wellhead safety valve 

applications, flow lines, header valves and gathering lines. It can 

also be used for casing relief valve and storage valve applications. 

the Model APP actuator is lightweight, easy to maintain and 


of environments and operating conditions on land or off-shore. 

the Model APP actuator can be delivered as an actuated valve 


assembly ready to mount on another manufacturer’s valve. 


Longer Top Shaft Seal Life: Polypak seals are used 

for top shaft dynamic sealing applications. these seals 

are protected from accumulated dirt and debris by a 

durable wiper ring. these two features provide long seal 

life and minimal maintenance. 

Ease of Maintenance: top shaft seals are easily replaced 

in the field by simply removing a retainer ring. replacement 

of the piston seal is accomplished by removing the top plate 

from the cylinder. there is no need to disassemble the 

cylinder from the lower plate housing. 

Control Port Positioning: the retainer ring connection of 

the top head plate to the cylinder housing permits the control 

pressure port to be placed in any position. this self cleaning 

feature adds service life to the actuator by reducing internal 

corrosion caused by accumulated fluid build-up in the cylinder. 









the bonnet is provided with a test fitting installed below the 

bonnet seals that provides for verification of the bonnet stem 

metal to metal back seat pressure sealing integrity. 

Permanent and Tamper Proof Drift Setting: the valve drift is 

provided by stainless steel drift shims that are located on the 

top of the packing retainer. the location of the shims inside the 

spring housing ensures that the valve drift is tamper proof. 

Multiple Safeguards Against Well Fluids Contamination: the 

bonnet incorporates multiple safeguards against the invasion of 

well fluids into the actuator housing. these safeguards are: 






Personnel Safety: Locking screws below the bonnet ring 

prevent free rotation of the actuator. this guards against 

personnel injury should the actuator be used as a step 

during field service operations. 


APP 1300 13" up to 5 1 ⁄8" bore 

APP 1800 18" up to 7 1 ⁄16" bore 

APP 2000 20" up to 11" bore 

page 18

page 19 

Integrated Manual override 

Wear Bearing 



Piston Housing 

Valve Bonnet 

Bonnet stem 

Bonnet stem Male 

top shaft 

Lower Plate Assembly 



Piston Assembly 

Inner stroke Adjuster 

outer stroke Adjuster 




mODEL APPm PISTON PNEUmATIC ACTUATOR 



the Model APPM actuator is a piston type, pneumatically-powered 

gate valve actuator with an integrated manual override designed to 

operate a “fail-closed” or “fail-open” safety valve. It is ideally suited 

for wellhead safety valve applications, flow lines, header valves and 

gathering lines. It can also be used for casing relief valve and 

storage valve applications. 

the Model APPM actuator is easy to maintain and engineered to 

ensure years of trouble-free service in the harshest of environments 

and operating conditions. 

the Model APPM actuator is currently only delivered as a complete 

actuated valve assembly ready to be placed in service. 


Longer Top Shaft Seal Life: Polypak seals are used for 

actuator shaft sealing applications. these seals are 

protected from accumulation of dirt and debris by a durable 

wiper ring. these two features provide long seal life and 

minimal maintenance. 

Ease of Maintenance: the APPM is easy to maintain. 

the Actuator design allows for easy removal of the piston 

housing for piston and shaft seal replacement. 





located on the Actuator top case protects personnel from 

over-pressurization of the actuator assembly. It is located 

for easy field inspection and replacement. 


the bonnet is designed with a test fitting below the 

bonnet packing seals. this test fitting provides for 

verification of the bonnet stem metal to metal backseat 

pressure sealing integrity. 

Flexible Adaption: the APPM Actuator can be mounted 

on the secondary master or wellhead flow wing. the 

actuator can be mounted at any point where safety shut 

down or safety valves are required. 

Easy Closing: the APPM Actuator can manually open 

the gate valve in case of pneumatic control pressure loss 

or mechanical failure without assistance of an outside 

pressure source. 

Visual Confirmation of Bonnet Packing: A tattletale port 

located above the bonnet packing seals provides visual 

confirmation of the packing integrity. 


the bonnet incorporates multiple safeguards against 

the invasion of well fluids into the actuator housing. these 





• secondary seals 


Pneumatic Control Supply: the APPM Actuator operates 

at a maximum of 250 psi. 

Fail Safe Operation: the APPM Actuators will close a gate 

valve to the “fail safe” or “fail close” position automatically. 


APPM 1300 13" up to 2 1 ⁄16" bore 

page 20

DEDICATED TO SUPPORT 

Array stands firmly behind every actuator we sell or distribute. If you have a problem with the quality of any of our 

products or their shipment to you, contact Array and we will immediately work to solve it.

LImITED WARRANTY 

the following warranty is exclusive and in lieu of all other 

warranties whether express, implied or statutory, including, 

but not by way of limitation, any warranty or merchantability 

or fitness for any particular purpose. 

Array warrants to each original buyer of products manufactured 

by Array that such products are free from defects in material 

and workmanship under normal use and service for a period 

of one (1) year from the date of shipment provided that no 

warranty is made in respect to: 1) any product which has been 

repaired or altered in such a way in Array’s judgement, 

as to effect the product adversely, 2) any product which has 

in Array’s judgement, been subject to negligence, accident or 

improper storage, 3) any product which has not been operated 

or maintained in accordance with normal practice and in 

conformity with recommendations and public specifications 

of Array. 

Array’s obligation under this warranty is limited to use 

reasonable efforts to repair, replace or at its option, 

refunding the purchase price. the cost of labor for installing 

ARRAY HOLDINGS, INC. 

D.B.A. ARRAY PRODUCTS 

15900 Morales road 

Houston, texas 77032 

Phone: 281.977.8500 • www.array.com 

a repaired or replacement product shall be borne by the 

purchaser. replacement parts provided under the terms of 

this warranty are warranted for the remainder of the warranty 

period of the products upon which they were installed to the 

same extent as if such parts were original components 

thereof. Warranty serviced provided hereunder do not assume 

any liability for damages caused by any delays involving 

warranty service. 

for complete specification information, prices and name, 

address and telephone number of the Array representative 

nearest you, call or write to us at the address below. 

FOR WARRANTY OR SHIPmENT INFORmATION: 

Attention: Logistics & Quality Manager 

quality@array.com 

FOR SALES OR SPECIFICATION INFORmATION: 

Attention: sales Manager 

sales@array.com 

page 22

ARRAY HOLDINGS, INC. 

D.B.A. ARRAY PRODUCTS 

15900 Morales road 

Houston, texas 77032 

Phone: 281.977.8500 • www.array.com

API 6A A c tu Ators - Array

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