FORWARD ALLOYS & CASTINGS - Swing Check Valves

Cast steel Swing check

1. Valve design as per API-6D.
2. Valve testing as per API-6D.
3. Face to face dimensions as per
ANSI-16.10.
4. Valve flanges as per ANSI - B16.5.
5. Fire safe STD API-6FA.
6. Application : Petrochemical, Oil
refinery, Offshore etc.

Standards
Design	API-6D
Face to Face	API-6D
Flange Dimensions	ANSI B16.5
Testing	API-6D
Pressure-Temperature Rating	ANSI B16.34

Parts List
No.	Description	Material
1	Body	A216 Gr. WCB
2	Cover	A216 Gr. WCB
3	Disc	A216 Gr. WCB + 13 Cr
4	Seat Ring	A276 - 410
5	Arm	A276 Gr.WCB
6	Arm Pin	A276 - 410
7	Disc Washer	AISI Type 304
8	Disc Nut	A276 - 410
9	Gasket	Spiral Wound S.S.-304 with CAF
10	Side Plug	Carbon Steel
11	Studs	A193 B7
12	Studs Nuts	A194 2H
13	Eye Bolts (6"&up)	Carbon Steel

Class 150
DN	B	L	R	P	D	N	H	T	f
2"	51	204	92	121	152	4	16	16	1.6
3"	76	241	127	152	191	4	16	19	1.6
4"	102	293	157	191	229	8	16	24	1.6
6"	152	356	216	241	279	8	19	25	1.6
8"	203	495	270	299	343	8	19	29	1.6
10"	254	622	324	362	406	12	22	30	1.6
12"	305	699	381	432	483	12	22	32	1.6
14"	337	788	413	476	553	12	25	35	1.6
16"	387	864	470	540	597	16	25	37	1.6
18"	438	978	533	578	635	16	29	40	1.6
20"	489	978	584	635	699	20	29	43	1.6

Class 300
DN	B	L	R	P	D	N	H-	T	f
2"	51	267	92	127	165	8	16	22.3	1.6
3"	76	318	127	168	210	8	19	28.6	1.6
4"	102	356	157	200	254	8	19	31.8	1.6
6"	152	445	216	270	318	12	19	36.6	1.6
8"	203	533	270	330	381	12	22	41.3	1.6
10"	254	622	324	387	445	16	25	47.7	1.6
12"	305	711	381	451	521	16	29	50.8	1.6
14"	337	838	413	514	584	20	29	54	1.6
16"	387	864	470	572	648	20	32	57.2	1.6
18"	438	978	533	628.5	711	24	32	60.4	1.6
20"	489	1016	584	686	775	24	32	63.5	1.6

Class 600
DN	B	L	R	P	D	N	H-	T	f
2"	51	292	92	127	165	8	16	25.4	6.4
3"	76	356	127	168	210	8	19	31.8	6.4
4"	102	432	157	216	273	8	22	38.1	6.4
6"	152	559	216	292	356	12	25	47.7	6.4
8"	203	660	270	349	419	12	29	55.6	6.4
10"	254	787	324	432	508	16	32	63.5	6.4
12"	305	838	381	489	559	20	32	66.7	6.4
14"	337	889	413	527	603	20	35	69.9	6.4
16"	387	991	470	603	686	20	38	76.2	6.4
18"	438	1092	533	654	743	20	41	82.6	6.4
20"	489	1194	584	724	813	24	41	88.9	6.4

Class 900
DN	B	L	R	P	D	N	H-	T	f
2"	51	368	92	165	216	8	22	38.1	6.4
3"	76	381	127	190.5	241	8	22	31.8	6.4
4"	102	457	157	235	292	8	29	44.5	6.4
6"	152	610	216	317.5	381	12	29	55.7	6.4
8"	203	737	270	393.5	470	12	35	63.5	6.4
10"	254	838	324	470	546	16	35	69.9	6.4
12"	305	965	381	533.5	610	20	35	79.3	6.4
14"	337	1029	413	559	641	20	38	85.9	6.4
16"	387	1130	470	616	705	20	41	88.9	6.4
18"	438	1219	533	686	787	20	48	101.6	6.4
20"	489	1321	584	749.5	857	20	51	108	6.4

Class 1500
DN	B	L	R	P	D	N	H-	T	f
2"	51	368	92	165	216	8	22	38.1	6.4
3"	76	470	127	203	267	8	29	47.8	6.4
4"	102	546	157	241.5	311	8	32	53.9	6.4
6"	152	705	216	317.5	394	12	35	82.6	6.4
8"	203	832	270	393.5	483	12	41	92	6.4
10"	254	991	324	482.5	584	12	48	108	6.4
12"	305	1130	381	571.5	673	16	51	124	6.4
14"	337	1257	413	635	749	16	57	133.4	6.4
16"	387	1384	470	705	826	16	63	146.1	6.4
18"	438	1219	533	774.5	914	16	70	162.1	6.4
20"	489	1321	584	832	984	16	76	177.8	6.4

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