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• High Pressure Seal Gate Valves

  The design and manufacture of high-pressure valve is in accordance with ANSI B16.34, the High Pressure Seal Gate Valves has a beautiful shape, compact structure, reliable sealing. Valve for the Class 900lb-Class4500lb various tubes on the road.
  High-pressure self-sealing valve has the following advantages:
  1) Self-sealing high-pressure valve allows the structure of the valve body, valve cover tight junction structure, the provincial Public Works save cost, safe and reliable.
  2) valve pressure in the valve cover seal, the use of the modular structure to achieve linear sealed its seals at the same time the use of austenitic stainless steel, anti-cavitation, extended life, thereby ensuring that the valve seal under high-pressure differential did not leak.
  3) valve in the 2500 pounds and above level, the body cavity sealing contact with the surfacing of stainless steel lining Department to avoid the valve sealing region under high-pressure differential erosion by soft drinks appear Ma leakage point, thus to ensure a safety valve, long-term operation.

  
  Class 900lb~2500lb
  Size: NPS 2" ~ 30"
  Basic Design: ANSI B16. 34, API 600
  Face to face standard: ANSI B16.10, API 6D
  Ends Connection: ANSI B16.5(RF,RTJ), B.W. Ends to ANSI B16.25
  Material: ASTM A216 WCB,ASTM A352 LCB, ASTM A217 WC6, WC9, C12, C5, CF8, CF3, CF3M, CF8M etc.
  

  Standards compliance
  Design and Manufacture: AMSI B16.34,API600 API6D,BS1414
  Face to face(end to end):ANSI B16.10,API6D
  Flanged connection : ANSI B16.5
  Butt welded end: ANSI B16.25
  Test and inspection:API598,API6D

  Standard Material Specifications
  
  

  NO.	Part Name	WCB	WC6	WC9	C5	CF8	CF8M
  1	Body	A216 WCB	A217 WC6	A217 WC9	A217 C5	A351 CF8	A351 CF8M
  2	Seat Ring	A182 F6a	A182 F22	A182 F22	A182 F5	A182 F304	A182 F316
  3	Disc	A216 WCB	A217 WC6	A217 WC9	A217 C5	A351 CF8	A351 CF8M
  4	Stem	A182 F6a	SAEHNV3			A182 F304	A182 F316
  5	Stuffing Box	A216 WCB	A217 WC6	A217 WC9	A217 C5	A351 CF8	A351 CF8M
  6	Seal Ring	AISI 316L	Flexible Graphite + 316
  7	Split Ring	Steel	F6	F6	F6	F304	F316
  8	Back Ring	Steel	Steel	Steel	Steel	S.S.	S.S.
  9	Bolt	A193 B7	A193 B7	A193 B7	A193 B7	A193 B8	A193 B8
  10	Nut	A194 2H	A194 2H	A194 2H	A194 2H	A194 Gr. 8	A194 Gr. 8
  11	Yoke	A216 WCB	A217 WC6	A217 WC9	A217 C5	A351 CF8	A351 CF8M
  12	Bolt	A193 B7	A193 B7	A193 B7	A193 B7	A193 B8	A193 B8
  13	Nut	A194 2H	A194 2H	A194 2H	A194 2H	A194 Gr. 8	A194 Gr. 8
  14	Packing Plate	AISI 410	AISI 410	AISI 410	AISI 410	AISI 304	AISI 316
  15	Packing	Flexible Graphite (Braided and Ring) or PTFE
  16	Split Pin	Steel	Steel	Steel	Steel	Steel	Steel
  17	Eyebolt	A193 B7	A193 B7	A193 B7	A193 B7	A193 B8	A193 B8
  18	Gland	A182 F6	A182 F6	A182 F6	A182 F6	A182 F304	A182 F316
  19	Gland Flange	A105	A105	A105	A105	A182 F304	A182 F316
  20	Nut	A194 2H	A194 2H	A194 2H	A194 2H	A194 Gr. 8	A194 Gr. 8
  21	Stud	A193 B7	A193 B7	A193 B7	A193 B7	A193 B7	A193 B7
  22	Stem Nut	Ni-resist A439-D2
  23	Gear Box	Pu, rchased
  24	Protector	Steel
  25	Nameplate	AISI 304
  26	Rivet	AISI 304

  Other materials are available on request
  
  Test Pressure to API 598
  

  Class	Shell Test (Hydrostatic)	Seat Test (Hydrostatic)	Seat Test (Air)
  900lb	3350psi	2442psi	80psi
  1500lb	5626psi	4078psi	80psi
  2500lb	9275psi	6787psi	80psi

  
  Dimensions(mm) and Weights(Kg)
  

  NPS		Class	2	2-1/2	3	4	6	8	10	12	14	16	18	20	22
  DN			50	65	80	100	150	200	250	300	350	400	450	500	550
  L(RF)		900LB	368	419	381	457	610	737	838	965	1029	1130
  		1500LB	368	419	470	546	705	832	991	1130	1257	1384
  		2500LB	451	508	578	673	917	1022	1270
  L1(BW)		900LB	216	254	305	355	508	660	787	914	991	1092
  		1500LB	216	254	305	406	559	711	864	991	1067	1194	1346	1473	1600
  		2500LB	279	330	368	457	610	762	914	1041	1118	1245	1397
  L2(RTJ)		900LB	371	422	384	460	613	740	841	968	1038	1140
  		1500LB	371	422	473	549	711	841	1000	1146	1276	1407
  		2500LB	454	514	584	683	927	1038	1292
  H(Open)		900LB	554	637	680	796	1084	1372	1494	1550	1960	2210
  		1500LB	554	637	767	875	1094	1372	1655	1843	2150	2260	2460	2721	2940
  		2500LB	610	654	753	850	1254	1374	1685	1894	2226	2382	2585
  W		900LB	300	350	350	400	560	460*	610*	610*	610*	760*
  		1500LB	300	450	450	560	305*	460*	610*	610*	760*	760*
  		2500LB	500	500	600	600	460*	460*	610*
  Weight	RF	900LB	50	84	92	154	341	622	950	1295	1720	2380
  		1500LB	60	91	128	182	394	795	1370	2120	2800	3870
  		2500LB	121	175	195	229	720	1295	2250
  	BW	900LB	39	64	82	120	266	524	760	1090	1450	2018
  		1500LB	46	71	85	130	292	587	974	1615	2010	2815	3315	4150	5219
  		2500LB	88	135	144	158	500	892	1550	1978	2580	3780	5988

  *Manual gear operator is recommended.

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