Double Acting pneumatic Knife Gate Valve for Water/Pulp/Slurry/Oil Application

We are willing to win more partners with high-quality performance of our Sight Glass, Electric Butterfly Valve, Ball Valve and service quality, and take shaping, upgrading and consolidating brands for customers as our unremitting efforts. With the ultimate customer experience and the business philosophy of equality, innovation, openness and mutual benefit, we have gained a good reputation in the industry. Through various effective ways, we constantly improve the level of human resource management and the comprehensive quality of talents.

Name	Material
Body/Bonnet	CF8	CF3	CF8M	CF3M	WCB	LCB	WC6	WC9	C5
Wedge	CF8	CF3	CF8M	CF3M	WCB	LCB	WC6	WC9	C5
Stem	F304	F304L	F316	F316L	2CR13	F304	F304	F304	F304
Stem Nut	Aluminium Bronze
Packing	PTFF				Graphite
Gasket	PTFF				Graphite
Gland	CF8	CF3	CF8M	CF3M	WCB	LCB	WC6	WC9	C5
Bolt	Stainless Steel				35CrMoA
Nut	Stainless Steel				45，35CrMoA
Handwheel	Cast Steel

Gate Valve GB/T12234 Metal Seated For Fuel Oil Water

Standards

Design and manufacture as GB/T12234 Face to face dimensions as GB/T12221

End flange dimension as JR/T79 Pressure test as JB/T9092

Test Pressure

Test Item		Shell Test	Seal Test	Back Seal Test	Air Seal Test
Medium		Water			Air
Unit		MPa	MPa	MPa	MPa
Nominal Pressure PN(MPa)	1.0	1.5	1.1	1.1	0.5-0.7
	1.6	2.4	1.8	1.8
	2.5	3.8	2.8	2.8
	4.0	6.0	4.4	4.4
	6.4	9.6	7.0	7.0
	10.0	15.0	11.0	11.0
	16.0	24.0	18.0	18.0

Materials for Main Parts

Main Connection Dimensions

Dimensions
Type	DN(mm)	L	D	Dl	D2	b-f	z-ød	H	Do
H Z41W-10 Y H Z641W-10 Y H Z941W-10 Y	15	130	95	65	45	12-2	4-ø14	185	120
	20	150	105	75	55	14-2	4-ø14	200	120
	25	160	115	85	65	14-2	4-ø14	225	140
	32	180	135	100	78	16-2	4-ø18	275	160
	40	165	145	110	85	16-3	4-ø18	290	160
	50	180	160	125	100	16-3	4-ø18	345	200
	65	195	180	145	120	18-3	4-ø14	360	220
	80	210	195	160	135	18-3	4-ø18	380	240
	100	230	215	180	155	20-3	8-ø18	430	280
	125	255	245	210	185	22-3	8-ø18	520	300
	150	280	280	240	210	22-3	8-ø23	600	320
	200	330	335	295	265	22-3	8-ø23	765	400
	250	380	390	350	320	24-3	12-ø23	930	450
	300	420	440	400	368	26-3	12-ø23	1080	500
	350	450	500	460	428	26-4	16-ø23	1200	500
	400	480	565	515	482	26-4	16-ø35	1400	550
	450	510	615	565	532	26-4	20-ø25	1500	600
	500	540	670	620	585	28-4	20-ø25	1630	650
H Z41W-16 Y H Z641W-16 Y H Z941W-16 Y	15	130	95	65	45	14-2	4-ø14	185	120
	20	150	105	75	55	14-2	4-ø14	200	120
	25	160	115	85	65	14-2	4-ø14	225	140
	32	180	135	100	78	16-2	4-ø18	275	160
	40	200	145	110	85	16-3	4-ø18	295	200
	50	250	160	125	100	16-3	4-ø18	350	220
	65	265	180	145	120	18-3	4-ø18	370	240
	80	280	195	160	135	20-3	8-ø18	390	280
	100	300	215	180	155	20-3	8-ø18	435	300
	125	325	245	210	185	22-3	8-ø18	520	320
	150	350	280	240	210	24-3	8-ø23	610	350
	200	400	335	295	265	26-3	12-ø23	785	400
	250	450	405	355	320	30-3	12-ø25	930	450
	300	500	460	410	375	30-4	12-ø25	1080	500
	350	550	520	470	435	34-4	16-ø25	1200	550
	400	600	580	525	485	36-4	16-ø30	1400	600
	450	650	640	585	545	40-4	20-ø30	1500	650
	500	700	705	650	608	44-4	20-ø34	1630	700
H Z41W-25 Y H Z641W-25 Y H Z941W-25 Y	15	130	95	65	45	16-2	4-ø14	185	120
	20	150	105	75	55	16-2	4-ø14	200	120
	25	160	115	85	65	16-2	4-ø14	225	140
	32	180	135	100	78	18-2	4-ø18	275	160
	40	200	145	110	85	18-3	4-ø18	295	200
	50	250	160	125	100	20-3	4-ø18	350	220
	65	265	180	145	120	22-3	8-ø18	370	240
	80	280	195	160	135	22-3	8-ø18	390	280
	100	300	230	190	160	24-3	8-ø23	435	300
	125	325	270	220	188	28-3	8-ø25	520	320
	150	350	300	250	218	30-3	8-ø25	610	350
	200	400	360	310	278	34-3	12-ø25	785	400
	250	450	425	370	332	36-3	12-ø30	930	450
	300	500	485	430	390	40-4	16-ø30	1080	500
	350	550	550	490	448	44-4	16-ø34	1250	550
	400	600	610	550	505	48-4	16-ø34	1430	600
	450	650	660	600	555	50-4	20-ø34	1520	650
	500	700	730	660	610	52-4	20-ø41	1650	700

Main Connection Dimensions

Dimension(mm)
Type	DN(mm)	L	D	Dl	D2	D6	b-f	fl	z-ød	H
H Z41W-40 Y H Z641W-40 Y H Z941W-40 Y	15	130	95	65	45	40	16-2	4	4-ø14	185
	20	150	105	75	55	51	16-2	4	4-ø14	200
	25	160	115	85	65	58	16-2	4	4-ø14	225
	32	180	135	100	78	66	18-2	4	4-ø18	275
	40	200	145	110	85	76	18-3	4	4-ø18	295
	50	250	160	125	100	88	20-3	4	4-ø18	350
	65	280	180	145	120	110	22-3	4	8-ø18	370
	80	310	195	160	135	121	22-3	4	8-ø18	390
	100	350	230	190	160	150	24-3	4.5	8-ø23	435
	125	400	270	220	188	176	28-3	4.5	8-ø25	520
	150	450	300	250	218	204	30-3	4.5	8-ø25	610
	200	550	375	320	282	260	38-3	4.5	12-ø30	970
	250	650	445	385	345	313	42-3	4.5	12-ø34	930
	300	750	510	450	408	364	46-4	4.5	16-ø34	1080
	350	850	570	510	465	422	52-4	5	16-ø34	1250
	400	950	655	585	535	474	58-4	5	16-ø41	1430
	450	1050	680	610	560	524	60-4	5	20-ø41	1520
	500	1150	755	670	612	576	62-4	5	20-ø48	1650

Main Connection Dimensions

Dimensions
Type	DN(mm)	L	D	Dl	D2	D6	B-f	f1	z-ød	H
H Z41W-64 Y H Z641W-64 Y H Z941W-64 Y	15	170	105	75	55	40	18-2	4	4-ø14	185
	20	190	125	90	68	51	20-2	4	4-ø18	200
	25	210	135	100	78	58	22-2	4	4-ø18	225
	32	230	150	110	82	66	24-2	4	4-ø23	280
	40	240	165	125	95	76	24-3	4	4-ø23	300
	50	250	175	135	105	88	26-3	4	4-ø23	360
	65	280	200	160	130	110	28-3	4	8-ø23	385
	80	310	210	170	140	121	30-3	4	8-ø23	400
	100	350	250	200	168	150	32-3	4.5	8-ø25	450
	125	400	295	240	202	176	36-3	4.5	8-ø30	540
	150	450	340	280	240	204	38-3	4.5	8-ø34	630
	200	550	405	345	300	260	44-3	4.5	12-ø34	820
	250	650	470	400	352	313	48-3	4.5	12-ø41	960
	300	750	530	460	412	364	54-4	4.5	16-ø41	1130
	350	850	595	525	475	422	60-4	5	16-ø41	1300
	400	950	670	585	525	474	66-4	5	16-048	1450
	450	1050	715	630	570	524	70-4	5	20-ø48	1550
	500	1150	800	705	640	576	70-4	5	20-ø54	1680
H Z41W-100 Y H Z641W-100 Y H Z941W-100 Y	15	170	105	75	55	40	20-2	4	4-ø14	185
	20	190	125	90	68	51	22-2	4	4-ø18	200
	25	210	135	100	78	58	24-2	4	4-ø18	225
	32	230	150	110	82	66	24-2	4	4-ø23	280
	40	240	165	125	95	76	26-3	4	4-ø23	300
	50	250	195	145	112	88	28-3	4	4-ø25	360
	65	280	220	170	138	110	32-3	4	8-ø25	385
	80	310	230	180	148	121	34-3	4	8-ø25	400
	100	350	265	210	172	150	38-3	4.5	8-ø30	450
	125	400	310	250	210	176	42-3	4.5	8-ø34	540
	150	450	350	290	250	204	46-3	4.5	12-ø34	630
	200	550	430	360	312	260	54-3	4.5	12-ø41	820
	250	650	500	430	382	313	60-3	4.5	12-ø41	960
	350	850	655	560	498	422	76-4	5	16-ø54	1300
	400	950	715	620	558	474	80-4	5	16-ø54	1450
	450	1050	770	675	615	524	84-4	5	16-ø58	1550
	500	1150	870	760	690	576	90-5	5	20-ø58	1680

Summary:

Z41H, Z41Y, Z41W stainless steel gate valve: manual, flange connection, rising stem wedge type rigid single gate valve, valve seat sealing surface material is stainless steel, nominal pressure is PN16 ~ pn200, valve body material is stainless steel gate valve.

Z41W, Z41Y and Z41H stainless steel gate valves have compact structure, reasonable design, good rigidity, smooth passage and small flow resistance coefficient. The sealing surface is made of stainless steel and cemented carbide, with long service life, flexible graphite packing, reliable sealing and light and flexible operation.

Product advantages:

① In line with the requirements of advanced standards at home and abroad, reliable sealing, excellent performance, beautiful appearance.

② The sealing pairs are advanced and reasonable, and the sealing surfaces of the gate and valve seat are overlaid with cemented carbide with different hardness. The sealing is reliable, with high hardness, wear resistance, high temperature resistance, corrosion resistance, good scratch resistance and long service life.

③ After quenching and tempering and surface nitriding treatment, the valve stem has good corrosion resistance, abrasion resistance and abrasion resistance.

④ All kinds of piping flange standards and flange sealing surface forms can be adopted to meet various engineering needs and user requirements.

Application:

It is applied to the pipelines of various systems of petroleum, chemical, hydraulic and thermal power plants with working pressure of 1.6Mpa ~ 20.0Mpa and working temperature of - 29 ℃ ~ 200 ℃. The applicable media are nitric acid, acetic acid, water, oil, gas and some corrosive liquids.

Price：Our price fluctuates with raw materials and exchange rate.

Please leave your contact information and give you a new quotation as soon as possible.

Packing: wooden case, wooden pallet or packing method specified by customers.

Under the premise of quality assurance, the diversification of our Double Acting pneumatic Knife Gate Valve for Water/Pulp/Slurry/Oil Application makes them sell well at home and abroad, and win the trust and high praise of our customers. We establish business code of conduct and internal control system, establish quality traceability system, and improve quality inspection and management system. We encourage you to make contact as we are looking for partners in our venture.

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