Pneumatic Flange Gate Valve

Pneumatic flange gate valve Z641H features double-layer cylinder with buffer mechanism, DN50-800mm, 1.0-4.0MPa, WCB/CF8/CF8M body for reliable industrial pipeline shut-off.

Size

DN50~DN800

Body Material

WCB, ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti

Mode of Control

ON/OFF Type, Adjusting Type

Get a Quote

Download Drawings

Product Overview

Body Material: Cast Iron, Carbon Steel (WCB), Stainless Steel (CF8, CF8M, CF3, CF3M)

Seat Material: Metal Sealed (H, Y)

Mode of Action: Double-acting

Mode of Control: ON/OFF Type, Adjusting Type

Annex Choice: Solenoid Valve, POSITIONER, Limit Switch, F.R.L. Manual Gear

Specifications

Technique Table

Design Basis		GB Standard	ANSI Standard
Design Standard		GB/12234	ANSI B16.34
Face-to-face dimension	Flange connecting	GB/12221	ANSI B16.10
connecting Flange Size		GB/9113, JB/T79	ANSI B16.5(2~24") ANSI B16.47(28~30")
Test & inspection		JB/T9092	API 598

Note: The structural length and connecting flange size of the gate valve series can be designed and manufactured as per the user's requirements.

Form of Main Parts Materials

No.	Name of parts	Material
No.	Name of parts	C	P	R
1	Body	WCB	ZG1Cr18Ni9Ti	ZG1Cr18Ni12Mo2Ti
2	Scre Cap	35	304	304
3	Screw	35	304	304
4	Shut-off Device	WCB	ZG1Cr18Ni9Ti	ZG1Cr18Ni12Mo2Ti
5	Sem	1Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
6	Gasket	PTFE, Stainless Steel+Graphite, PTFE
7	Cover	WCB	ZG1Cr18Ni9Ti	ZG1Cr18Ni12Mo2Ti
8	Scre Cap	35	304	304
9	Lifting Ring Screw	35	304	304
10	Scre Cap	35	304	304
11	Screw	35	304	304
12	Packing	PTFE, Graphite, PTFE
13	Packing Gland	WCB	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
14	Packing Plate	WCB	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
15	Scre Cap	35	304	304

Note: The main spare parts and sealed seat material of the gate valve series can be designed as options as per users' special requirements.

Z6S41 (0) H (Y)-PN16 (1.6MPa) Overview Dimension (mm)

Nominal diameter DN	Outline Dimension					Connecting Size
Nominal diameter DN	L	H	H1	H2	Φdo	D	D1	D2	C	f	n-Φd
50	250	790	420	840	180	165	125	99	18	3	4-Φ18
65	265	830	440	920	180	180	145	120	18	3	4-Φ18
80	280	910	460	990	200	200	160	132	20	3	8-Φ18
100	300	1050	560	1150	250	220	180	156	22	3	8-Φ18
125	325	1170	620	1270	280	245	210	185	22	3	8-Φ18
150	350	1240	660	1390	320	285	240	211	24	3	8-Φ22
200	400	1520	810	1720	400	340	295	266	24	3	12-Φ22
250	450	1700	930	1950	400	405	355	319	26	3	12-Φ26
300	500	1930	1090	2230	450	460	410	370	28	4	12-Φ26
350	550	2160	1230	2510	450	520	470	429	30	4	16-Φ26
400	600	2330	1360	2730	500	580	525	480	32	4	16-Φ30
450	650	2540	1510	2990	500	640	585	548	34	4	20-Φ30
500	700	2750	1660	3250	550	715	650	609	36	4	20-Φ33
600	800	3080	1910	3680	550	840	770	720	38	5	20-Φ36
700	900	3570	2200	4270	600	910	840	794	40	5	24-Φ36

Z6S41(0)H(Y)-Class150 Overview Dimension (mm)

Nominal diameter DN		Main Connection Dimension					Connecting Size
Nominal diameter DN		Main Connection Dimension					Connecting Size
DN	in	L	H	H1	H2	Φdo	D	D1	D2	C	f	n-Φd
50	2	173	790	420	840	180	152	120.5	92	16	2	4-Φ19
65	2 1/2	190	860	440	920	180	178	139.6	105	18	2	4-Φ19
80	3	203	910	460	990	200	190	152.5	127	19	2	4-Φ19
100	4	229	1050	560	1150	250	229	190.5	157	24	2	8-Φ19
125	5	254	1172	620	1270	280	254	216	186	24	2	8-Φ22
150	6	267	1240	660	1390	320	279	241.5	216	26	2	8-Φ22
200	8	292	1520	810	1720	400	343	298.5	270	29	2	8-Φ22
250	10	330	1700	930	1950	400	406	362	324	31	2	12-Φ25
300	12	256	1930	1090	2230	450	483	432	381	32	2	12-Φ25
350	14	381	2160	1230	2510	450	533	476	413	35	2	12-Φ29
400	16	406	2330	1360	2730	500	597	540	470	37	2	16-Φ29
450	18	432	2540	1510	2990	500	635	578	533	40	2	16-Φ32
500	20	457	2750	1660	3250	550	699	635	584	43	2	20-Φ32
600	24	508	3080	1910	3680	550	813	749.5	692	48	2	20-Φ35
700	28	610	3570	2200	4270	600	947	863.6	800	45	2	28-Φ35

Downloads

Fluid Control 2026

DOWNLOAD

Application & Case

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aenean euismod bibendum laoreet. Proin gravida dolor sit amet lacus accumsan et viverra justo commodo. Proin sodales pulvinar sic tempor. Sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Nam fermentum, nulla luctus pharetra vulputate, felis tellus mollis orci, sed rhoncus pronin sapien nunc accuan eget.

Discover Our Precision Cleaning Solutions Arrow icon

Related Recommended Products

Discover Our Range of Products Built for Your Industry's Challenges

Get Technical Support or a Customized Solution

Do our standard products not meet your needs? Share your operating parameters with us, and the Jinke technical team will provide you with personalized selection recommendations and a customized solution.

Contact experts

News & Blog

The Working Principle of The Regulating Valve

The regulating valve is a key piece of equipment used to accurately control the flow of fluids (gas, liquids, or steam) ...

2026.09.03

Learn more

How to install a straight stroke pneumatic actuator?

The installation of straight-stroke pneumatic actuators should follow strict steps and precautions to ensure their effic...

2026.08.12

Learn more

Introduction To The Stroke and Control Mode of Electric Actuators

According to the movement form, the electric actuator can be divided into straight stroke, angular stroke and multi-turn...

2026.08.05

Learn more