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Blocking valve structure Description:
1, the valve is welded, straight channel without shrinking, single plane seal, valve sealing surface heap austenitic stainless steel, block plate with O-shaped rubber seal.
2, the use of self-tight cavity pressure seal structure, hydraulic test or operation, can be sealed by the medium pressure to achieve a reliable seal, and the higher the pressure, the more reliable the seal.
3, the valve body is made of high quality cast steel, both ends processed into U-groove and pipe directly butt welding, chemical composition and properties of the two materials are similar, excellent welding performance, without intermediate welding transition section; four open-loop 38CrMoAlA corrosion Nitriding, to ensure that its heat-resistant, and wear-resistant, corrosion-resistant, scratch-resistant, easy disassembly; cavity self-sealing gaskets, high temperature steam corrugated asbestos gaskets, 18-8 wire braided internal enhancements to ensure that the seal, Extend the service life; sealing surface surfacing 1Cr18Ni9Ti, rust, erosion, repeated tests can still guarantee the seal.

Main dimensions:

PN	DN	Size (mm)		Weight (kg)	PN	DN	Size (mm)		Weight (kg)	PN	DN	Size (mm)		Weight (kg)
		L	H				L	H				L	H
1.6	50	230	165	23	4	50	230	180	27	10	50	300	195	43
	65	290	180	28		65	290	1 g5	33		65	340	213	52
	80	310	190	35
						80	310	195	37		80	380	240	75
	100	350	208	40
						100	350	220	56		100	430	270	112
	150	480	270	81
						150	480	273	105		150	550	365	220
	200	600	295	96
						200	600	352	140		200	650	425	345
	250	730	337	175
						250	730	413	200		250	775	486	475
	300	850	386	265		300	850	432	392
										16	50	300	255	52
	350	980	430	364		350	980	455	396
											65	340	285	62
	400	1100	475	495		400	1100	562	502
											80	380	324	113
	500	1250	565	590		500	1250	620	645
											100	430	359	165
2.5	50	230	180	25	6.4	50	300	1 g5	32
											150	550	433	270
	65	290	195	32		65	340	213	45
											200	650	478	324
	80	310	195	35		80	380	213	50
											250	775	520	375
	100	350	220	55		100	430	240	75
										25	50	368	315	65
	150	480	273	104		150	550	302	158
	200	600	352	138
						200	650	362	220		65	419	348	79
	250	730	413	198
						250	775	410	346		80	470	386	95
	300	850	432	388		300	900	468	476		100	546	410	172
	350	980	455	390
						350	1025	520	630		150	705	565	275
	400	1100	562	498		400	1150	572	886		200	832	320	325
	500	1250	620	643		500	1400	625	1030		250	991	676	395

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