Class 900~2500 Pressure seal Check Valve

Power station Valve of High Temperature and High Pressure
Class 900～2500Lb, NPs 2～16”
Basic Design: API 6D or Bs 1868
Face to Face Dimension: ANsI B16.10
End Flanges: ANsI B16.5
B.W. Ends: ANsI B16.25
Pressure seal Cover, Welded-in or Threaded seat Ring

CLAss 900~2500 Pressure seal Check Valve

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	13Cr	sTL6			304	316
3	Disc	A216 W	A217 WC6	A217 WC9	A217 C5	A351 CF8	A351 CF8M
4	Washer	steel	steel	steel	steel	steel	steel
5	Disc Nut	AIsI 410	AIsI 410	AIsI 410	AIsI 410	AIsI 304	AIsI 316
6	Hinge	A216 WCB	A217 WC6	A217 WC9	A217 C5	A351 CF8	A351 CF8M
7	Hinge Pin	AIsI 410	AsTM A182 F22			AIsI 304	AIsI 316
8	Holder	AIsI 410	AIsI 410	AIsI 410	AIsI 410	AIsI 304	AIsI 316
9	Bolt	A193 B7	A193 B7	A193 B7	A193 B7	A193 B8	A193 B8
10	Washer	steel	steel	steel	steel	steel	steel
11	Nut	A194 2H	A194 2H	A194 2H	A194 2H	A194 Gr.8	A194 Gr.8
12	supporter	steel	steel	steel	steel	s.s.	s.s.
13	seal Ring	AIsI 316L	AIsI 316L	AIsI 316L	AIsI 316L	AIsI 316L	AIsI 316L
14	Plate	A105	A217 WC6	A217 WC9	A217 C5	A351 CF8	A351 CF8M
15	split Ring	steel	steel	steel	steel	s.s.	s.s.
16	Damper	A105	AsTM A182 F22			A182 F304	A351 F316
17	Bolt	A193 B7	A193 B7	A193 B7	A193 B7	A193 B8	A193 B8
18	Cover	A216 WCB	A217 WC6	A217 WC9	A217 C5	A351 CF8	A351 CF8M
19	Bolt	A193 B7	A193 B7	A193 B7	A193 B7	A193 B8	A193 B8
20	Nut	A194 2H	A194 2H	A194 2H	A194 2H	A194 Gr.8	A194 Gr.8
21	Hook screw	steel	steel	steel	steel	steel	steel

Other materials are available on request

Test Pressure to API 598

Class	shell Test (Hydrostatic)	seat Test (Hydrostatic)	seat Test (Air)
900	3350psi	2442psi	80psi
1500	5626psi	4078psi	80psi
2500	9275psi	6787psi	80psi

Dimensions(mm) and Weights(Kg)

NPs		Class	2	2-1/2	3	4	6	8	10	12	14	16
DN		Class	50	65	80	100	150	200	250	300	350	400
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	1422
L1(BW)		900LB	216	254	305	365	508	660	787	914	991	1092
		1500LB	216	254	305	406	559	711	864	991	1067	1194
		2500LB	279	330	368	457	610	762	914	1041	1118	1245
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	1445
H(Open)		900LB	188	210	210	216	368	511	614	705	736	756
		1500LB	265	265	270	370	475	570	630	770	795	824
		2500LB	280	305	310	370	485	544	710	800	905	944
Weight	RF	900LB	50	65	62	124	256	513	940	1450	1725	2380
		1500LB	60	75	73	130	334	590	1025	1530	1854	3870
		2500LB	88	115	135	215	550	900	1600	2300
	BW	900LB	35	46	44	78	179	385	705	1130	1355	1465
		1500LB	42	53	51	86	230	460	715	1150	1390	1544
		2500LB	88	90	95	160	385	640	1200	1325	1545	2050

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