Pure-Flo®

1 Thermoplastic PAS (polyarylsulfone) in model 16.
2 Only applicable to model 17.
* Recommended spare parts.
“A” BUTTWELD “A” TRI-CLAMP “B” “C”
3.5 2.53 0.34 2.62
88.9 64.3 8.6 66.5
LIST OF PARTS
ITEM DESCRIPTION MATERIAL QUANTITY
1 Bonnet Stn. Stl. ASTM A-351, GR CF8M 1
2 1 Compressor Stn. Stl. ASTM A-276, Type 316 1
3 Diaphragm*, Plastic PTFE (Fluorlastic) 1
4 Diaphragm*, Elastomer EPDM, compliance with FDA CFR #21 1
5 Cushion, Backing* EPDM, compliance with FDA CFR #21 1
6 Body, Weir, Buttweld, Tube Stn. Stl., forged, ASTM A-182-F316L, S9 1
7 Spindle, Adj Travel Stn. Stl., ASTM A-276, Type 316, cond B 1
8 Nut, Hex, Adj Travel Stn., Stl., Type 18-8 1
9 Handwheel, Shroud PAS 30% glass-filled 1
10 2 “O” Ring Dash #114* Viton, compliance with FDA CFR #21 1
11 2 “O” Ring Dash #118* Viton, compliance with FDA CFR #21 1
12 2 “O” Ring Dash #007* Viton, compliance with FDA CFR #21 1
13 Screw, Cap, Socket Head Stn. Stl., Type 18-8 4
14 Screw, Cap, Socket Head Stn. Stl., Type 18-8 1
15 Screw, Cap, Hex Socket Stn. Stl., Type 18-8 1
16 Cap Flextemp 1
17 Washer, Spring Lock Stn. Stl., Type 18-8 4
18 Indicator, Decal Mylar 1
ADJUSTABLE TRAVEL STOP
A concealed adjustable device which provides a metal to
metal stop is standard. This prevents overclosing the valve,
which prolongs diaphragm life.
HANDWHEEL SHROUD
PAS (polyarylsulfone) is a durable, lightweight,
Thermoplastic resin ideal for caustic, alcohol and chloride
washdowns.
AUTOCLAVABLE
The entire Bio-Tek ® Valve assembly is autoclavable.
VISUAL POSITION INDICATOR
Position of valve is indicated by color band on bonnet.
INTERIOR FINISH
The interior body surface is available with a choice of finishes
ranging from 11–35 μin (.28–.89 μm). Electropolish
is also available over interior/exterior surfaces upon
request.
FLOW RATES
Size DN
CV/KV DATA
CV1 KV2 0.25 8 .89 0.21
0.375 10 1.92 0.46
0.50 15 3.03 0.73
Notes:
1. Values expressed in GPM per one psi pressure drop.
2. Values expressed in liters/second per one bar pressure drop.
57
SPECIALTY VALVE/BIO-TEK ®