Flat-plate Gate Valve

Category List

The ZF series water injecting valves are high pressure flat-plate gate valves. with a reasonable structure, a reliable seal and an easy operation and the sealing face is built-up welded with carbide alloy, features anti-corrosion, anti-wear and anti-erosion and can be used for throttle, especially suitable for the water, oil, mud pulpy, natural gas pipeline as the open-close and adjusting device to control the medium flowing.

Product Description

Products Specification

Design standard		GB/T 19672、JB/T 298、API 6D
Structural length	Flanged	GB/T 12221、GB/T 19672、JB/T 5298
	Welded connection	GB/T 15188.1、GB/T 19672
Flanged ends		GB/T 9113、JB/T 79、ANSI 16.5
Butt-welding ends		GB/T 12224
Test & inspection		GB/T 3927、JB/T 9092

Products Performance Specification

Scope of application		PN10.0~42.0MPa	DN25~200mm
Applicable temperature		-29~121℃
Applicable medium	Ordinary type	Petroleum, natural gas, readymade oil, water,etc.
	Antisulphur type	Petroleum,natural gas etc,containing H₂S, CO₂
Connecting type		Flange end, welded end, keeper end
Driving manner		Manual, electric, pneumatic etc. actuations

Major Parts Material Form

Accessory name	Valve body, valve covering	Floodgate board	Valve stem	Valve seat	Valve stem nut	Packing
Z Type	WCB, Cr Mo steel	Alloy steel (weld the hard alloy)	Stainless steel	Alloy steel (weld the hard alloy)	Aluminium bronze	PTFE，fluorine rubber
KZ Type			Sulfur resisting stainless steel

Main Size of Outside

Model：ZF43Y、ZF63Y、Z83Y

Nominal pressure PN (MPa)	DN (mm)	Dimensions(mm)
Nominal pressure PN (MPa)	DN (mm)	L₁	L₂	D₀	H₁	H
10.0 16.0	25	225	254	180	85	350
	32	260	260	220	98	380
	40	260	260	260	110	400
	50	300	300	310	120	450
	65	340	340	350	133	510
	80	380	380	400	158	580
	100	472	430	460	198	650
	125	500	500	460	240	750
	150	550	550	470	260	846
	200	650	650	600	358	1045
	250	775	775	650	415	1225
	300	900	900	700	462	1425
20.0 25.0	25	230	230	180	87	350
	32	260	260	220	100	380
	40	260	260	260	112	400
	50	300	300	310	122	450
	65	340	340	350	135	510
	80	380	380	400	160	580
	100	430	430	460	198	650
	125	500	500	460	240	750
	150	550	550	470	260	846
	200	650	650	600	358	1045
	250	775	775	600	415	1225
	300	900	900	650	462	1425

Nominal pressure PN (MPa)	DN (mm)	Dimensions(mm)
Nominal pressure PN (MPa)	DN (mm)	L₁	L₂	D₀	H₁	H
32.0 35.0	25	230	254	180	90	350
	32	260	279	220	103	380
	40	260	305	260	115	400
	50	300	368	310	125	450
	65	340	419	350	137	510
	80	380	470	400	164	580
	100	430	546	460	198	650
	125	500	673	460	240	750
	150	550	705	470	260	846
	200	650	832	600	358	1045
	250	991	991	650	415	1225
	300	1130	1130	700	462	1425
40.0 42.0	25	230	254	180	92	350
	32	260	279	220	105	380
	40	260	305	260	117	400
	50	300	368	310	127	450
	65	340	419	350	139	510
	80	380	470	400	166	580
	100	430	546	460	198	650
	125	500	673	460	240	750
	150	550	705	470	260	846
	200	650	832	600	358	1045
	250	991	991	650	415	1225
	300	1130	1130	700	462	1425

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