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Home > Products > Control Valve > PTFE Lined Regulating Valves > PTFE Lined Pneumatic Weir Type Diaphragm Valve (G641F)

PTFE Lined Pneumatic Weir Type Diaphragm Valve (G641F)

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Basic Info

Model No.:  G641F

Product Description

Model NO.: G641F Leakage Standard: Class IV or Class VI Actuator: Pneunamic Material: Wcb, S.S 304, Ss316, Ss304L, Ss316L Usage: Flow Control Size: Dn15-Dn300 Specification: CE, SGS, TUV HS Code: 8481804090 Category: Control Valve Flow Characteristic: Linear or Equal Percentage Connecting Type: Flange Medium Temperature: - 20 Deg C to 150 Deg C Type: Standard Type, Regulating Cutting Type, Bellow Sea Trademark: GOOLE, OEM Origin: Wenzhou, Zhejiang, China
1. PTFE Lined Weir Type Pneumatic Diaphragm Valve(G641F)Characteristics:
         This product is composed of the pneumatic multi-springs, pneumatic actuator and the low flow resistance sleeve. Weir Pattern Fluorine Plastic Lined Diaphragm valve  
PTFE Lining Pneumatic Diaphragm Valve(G641F) Purpose:
It's special for controlling the noncorrosive or the strong corrosive media.Its body inner surface is unlined or lined with different fluorine plastic which can be selected to suit with different working temperatures and fluid pipelines.
Suitable temperature: ≤85ºC,≤100ºC,≤120ºC,≤150ºC(According to the materials of lining and diaphragm)
PTFE Lined Weir Type Pneumatic Diaphragm Valve(G641F)
Design and manufacture:GB12239
Face to face dimension:GB12221,JB1688
Connection dimension of flange:GB4216,JB78
 
PTFE Lined Weir type Pneumatic Diaphragm Valve(G641F)
(Or Called Weir Type PTFE Lined Diaphragm Valve) Main Parts Material:

NO

Name

Gray iron

Cast steel

Stainless steel

Extreme low carbon steel

Z

C

P

R

PL

RL

1

Body,

HT250

WCB

CF8

CF8M

CF3

CF3M

2

Stem

35

1Cr13

1Cr18Ni19Ti

1Cr18Ni12Mo2Ti

00Cr18Ni10

00Cr17Ni14Mo2

3

Body ling

FEP(F46)PFA PCTFE(F3)

4

Diaphragm

FEP(F46)/CR, PFA/FPDM

5

 Stem Nut

ZCuAL10Fe3       ZCuAL10Fe3

6

Bolt

35

35

1Cr17Ni2

1Cr17Ni2

1Cr17Ni9Ti

1Cr17Ni9Ti

7

Nut

45

45

0Cr18Ni9

0Cr18Ni9

0Cr18Ni9

0Cr18Ni9

8

Hand wheel

HT200

HT200

WCC

WCC

WCC

WCC

 
 PTFE Lined Weir Type Pneumatic Diaphragm Valve(G641F)
(Or Called Weir Type PTFE Lined Diaphragm Valve)  Features:
The diaphragm valve is an especial break valve:
1.The elastic sealed open and close element can avoid the inner leak.
2.The clipper-built interval channel can keep the small loss of pressure.
3.It hasn't the stuffing box,so it doesn't leak.
4.The body and bonnet are separated by the middle diaphragm which can't be corroded by the medium.
5.The diaphragm is changeable and the expense of maintenance is low.
6. The various lining materials can be suitable for all kinds of media and have the good corrosion-resistance.
 

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Product Categories : Control Valve > PTFE Lined Regulating Valves

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