API 6A A c tu Ators - Array

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page 15 Piston Drift shims Valve Bonnet top seal Package Bonnet stem top shaft Pressure relief Device Piston seal Actuator Housing Inner Actuator spring outer Actuator spring Bonnet ring Packing retainer Bonnet Packing Vent fitting 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.
mODEL APHW HYDRAULIC ACTUATOR FOR API 6A WELLHEAD GATE VALVES GENERAL DESCRIPTION: 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 engineered to ensure years of trouble-free service in the harshest of environments and operating conditions on land or off-shore. the Model APHW actuator can be adapted for use on any 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. Improved Corrosion Control: All non-stainless components are coated with Xylan and Polyester tGIc providing resistance against the corrosion effect of harsh environments. 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. 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. 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: • Metal to metal back seat/stem seal • Multiple Polypak bonnet stem seals • Packing integrity port (shown with typical bonnet assembly) • secondary backup seals utilize o-rings 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. mODEL SIZE STROKES AVAILABLE 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 1 and 2: Manufacturers of high quality pneum
Page 3: ARRAY - DEDICATED TO SERVICE In tod
Page 7 and 8: Array actuators are designed to be
Page 9 and 10: Actuated Valve Assembly: All Array
Page 11 and 12: mODEL APD PNEUmATIC DIAPHRAGm ACTUA
Page 13 and 14: mODEL APH HYDRAULIC ACTUATOR FOR AP
Page 15: mODEL APHD HYDRAULIC DOUBLE ACTING
Page 19 and 20: mODEL APP PISTON PNEUmATIC ACTUATOR
Page 21 and 22: mODEL APPm PISTON PNEUmATIC ACTUATO
Page 23 and 24: LImITED WARRANTY the following warr

API 6A A c tu Ators - Array

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