Swing Check Valve

MVS offers Non Return Swing Check Valve in Bolted Cover Design having Swing type disc. The one piece disc body construction is securely fastened to the hinge by means of a lock nut & pin. The Disc is free to rotating type to avoid any other wear. The hinge pin offers excellent wear resistance properties. These types of valve (Non Return Valves) are used to stop back flow to the upstream side of the valve

Swing Check Valve or Non Return Valves also can be supplied with Titling disc design, Dash pot arrangement and outside lever & weight design for use where control of the disc is desires. Swing check valves are self actuating type.

Design & Testing International Standard of Swing Check Valve

Design Standard	:	BS 1868 / ASME B 16.34 / API 6D Standard
Inspection & Testing Standard	:	BS EN ISO 12266 – I (BS 6755 – I) / API 598 / ISO 5208
Flange To Flange Distance	:	As Per ANSI B 16.10 / API 6D
End Connection	:	Flanged End to ANSI B 16.5, Class 150 / 300 / 600
	:	BS 10 Table D / E / F / H
	:	PN 6 / PN 10 / PN 16 / PN 25 / PN 40 / PN 64
	:	DIN Standard / JIS Standard / IS Standard
	:	Butt Weld End to ANSI B 16.25
Manufacuring Size Range	:	1/2″ (DN15) to 24″(DN 600)
Pressure Rating of Valve	:	150# / 300# / 600#
	:	PN 10 / PN 16 / PN 25 / PN 40 / PN 64 / PN 100

MOC (Bill of Material – BOM)

Body, Cover & Disc	:	ASTM A 126 GR. B / IS 210 GR. FG 200/220/260 (Cast Iron) / Ductile Iron / Nodular C.I.
	:	ASTM A 216 GR. WCB (Cast Carbon Steel)
	:	ASTM A 351 GR. CF 8 / CF 8M (SS 304 / SS 316)
	:	ASTM A 351 GR. CF 3 / CF 3M (SS 304L / SS 316L)
	:	ASTM A 351 GR. CN7M / ASTM A351 Gr. CF8C
	:	ASTM A351 Gr. CD4Mcu / ASTM A351 Gr. CK3MCuN
	:	ASTM A352 Gr. LCA / LCB / LCC
	:	ASTM A217 Gr. WC1 / WC6 / WC9 / C5 / C12
	:	ASTM A494 Gr. CW6MC / CW2M / CY40 / CU5MCuC
	:	NACE MR0175 / NACE MR

Seat	:	S.S. 410 (13% Cr. Steel)
	:	ASTM A 105 + 13% Cr. Face
	:	S.S. 410 (13% Cr. Steel) + Stellited F6 Hard Face
	:	S.S. 304/316/304L/316L
	:	Alloy 20 / Hast Alloy
	:	Duplex Steel / Super Duplex Steel

Gasket	:	SS 304/316 Spiral Wound with CAF/Graphite Filled
	:	Graphited Asbestos wire based
	:	CAF – Compressed Asbestos Fibre
	:	Graphite Tensed Gasket
	:	PTFE / 25% GFT

Bolts / Stud & Nuts	:	ASTM A 193 GR. B7 / A 194 GR. 2H
	:	S.S. 304/316/304L/316L

Salient Features

Body & Cover made from high quality casting with liberal sections.

The castings are precision machined for high performance of valve.

Bolted Cover design

Body Seat Ring & Disc machined to close Tolerances providing smooth action and accurate seating.

Seat Ring sealweld to the body

Replaceable (Renewable) type Seat Ring & Integral Seat can also available on special request.

Stellited Hard Face F6 Seat Ring & Disc also supply on requirement.

All the disc have double lock nut or cotter pin fixed

In built wear life for long duration of service.

Standard Material Specifications

NO.	Part Name	Carbon steel to Astm (WCB)	Carbon steel to Astm (LCB)	Alloy Steel to ASTM (WC6)	Alloy Steel to ASTM (WC9)	Alloy Steel to ASTM (C5)	Stainless Steel to ASTM (CF8)	Stainless Steel to ASTM (CF8M)	Stainless Steel to ASTM (CF3)	Stainless Steel to ASTM (CF3M)
9	Bonnet Nut	A194 2H	A194 4		A194 7			A194 8
10	Bonnet Bolt	A193 B7	A320 L7		A193 B16			A193 B8
11	Gasket			SS Spiral Wound/Graphite or SS Spiral Wound/PTFE
1	Body	A216WCB	A352 LCB	A217 WC6	A217 WC9	A217 C5	A351 CF8	A351 CF8M	A351 CF3	A351 CF3M
3	Disc Nut				A182 F304		A182 F304	A182 F316	A182 F304L	A182 F316L
12	Cover	A216 WCB	A352 LCB	A217 WC6	A217 WC9	A217 C5	A351 CF8	A351 CF8M	A351 CF3	A351 CF3M
13	Hook Screw					Steel
14	Nameplate				Stainless Steel or Aluminum
15	Rivet				Stainless Steel or Aluminum
2	Seat Ring	A105	A350 LF2	A182 F11	A182 F22	A182 F5	A182 F304	A182 F316	A182 F304L	A182 F316L
4	Disc Washer				A182 F304		A182 F304	A182 F316	A182 F304L	A182 F316L
5	Disc	A216 WCB	A352 LCB	A217 WC6	A217 WC9	A217 C5	A351 CF8	A351 CF8M	A351 CF3	A351 CF3M
6	Hinge	A216 WCB	A352 LCB	A217 WC6	A217 WC9	A217 C5	A351 CF8	A351 CF8M	A351 CF3	A351 CF3M
7	Hinge Pin				A182 F304		A182 F304	A182 F316	A182 F304L	A182 F316L
8	Yoke	A216 WCB	A352 LCB	A217 WC6	A217 WC9	A217 C5	A351 CF8	A351 CF8M	A351 CF3	A351 CF3M

Trim Material to API 600

Seating Code	Seat Ring Surface part No. 2	Disc Seat part No. 3.	Hinge pin part No. 13
8	Stellite	13Cr	F6
9	Monel	Monel	Monel
10	316	316	F316
13	Alloy20	Alloy20	Alloy20
1	13Cr	13Cr	F6
2	304	304	F304
5	Stellite	Stellite	F6

Trim Pressure to API 598(Class-150)

Body Material	Shell Test(Hydrostatic)	Seat Test(Hydrostatic)	Seat Test(Air)
WCB	450Psi	315Psi	80Psi
WC6	450Psi	319Psi	80Psi
CF8M	425Psi	303Psi	80Psi

Test Pressure to Api 598(Class-300)

Body Material	Shell Test(Hydrostatic)	Seat Test(Hydrostatic)	Seat Test(Air)
WC6	1125Psi	825Psi	80Psi
CF8M	1100Psi	792Psi	80Psi
WCB	1125Psi	814Psi	80Psi

Test Pressure to Api 598(Class-600)

Body Material	Shell Test(Hydrostatic)	Seat Test(Hydrostatic)	Seat Test(AIr)
WCB	2225Psi	1628Psi	80Psi
WC6	2250Psi	1650Psi	80Psi
CF8M	2175Psi	1548Psi	80Psi

Test Pressure to Api 598(Class-900)

Body Material	Shell Test(Hydrostatic)	Seat Test(Hydrostatic)	Seat Test(Air)
CF8M	3250Psi	2376Psi	80Psi
WCB	3350Psi	2442psi	80Psi
WC6	3375Psi	2475Psi	80Psi

Test Pressure to Api 598(Class-1500)

Body Material	shell Test(Hydrostatic)	Seat Test(Hydrostatic)	Seat Test(Air)
WCB	5575Psi	4078Psi	80Psi
WC6	5625Psi	4125Psi	80Psi
CF8M	5400Psi	396Psi	80Psi

Dimensions (mm)(Class - 300)

NPS DN	mm	50	65	80	100	125	150	200	250	300	350	400	450	500	600	750
H	mm	180	185	210	270	345	360	370	385	440	520	554	590	614	614	866
L-L1(RF-BW)	mm	267	292	318	356	400	444	533	622	711	838	864	978	1016	1346	1594
L2(RTJ)	mm	283	308	333	371	416	460	549	638	727	854	879	994	1036	1368	1619

Dimensions (mm) (Class- 600)

NPS DN	mm	50	65	80	100	150	200	250	300	350	400	450	500	600
L2(RJT)	mm	295	333	359	435	562	664	791	841	892	994	1095	1200	1407
L-L1(RF-BW)	mm	292	330	356	432	559	660	787	838	889	991	1092	1194	1397
H	mm	197	207	231	281	362	437	490	528	572	660	720	746	960

Dimensions (mm) (Class - 900)

NPS DN	mm	50	65	80	100	150	200	250	300	350	400
H	in mm	9-7/16 240	10-1/4 260	10-1/4 260	12-5/8 320	15 382	20-7/8 530	22-1/16 560	23-1/4 590	24-13/16 630	27-9/16 700
L2(RTJ)	in mm	14-5/8 371	16-5/8 422	15-1/8 384	18-1/8 460	24-1/8 613	29-1/8 740	33-1/8 841	38-1/8 968	40-7/8 1038	44-7/8 1140
L-L!(RF-BW)	in mm	14-1/2 368	16-1/2 419	15 381	18 457	24 610	29 737	33 838	38 965	40-1/2 1029	44-1/2 1130

Dimensions (mm) (Class - 1500)

NPS DN	mm	50	65	80	100	150	200	250	300
H	mm	310	310	330	355	400	530	560	650
L-L1(RF-BW)	mm	368	419	470	546	705	832	991	1130
L2(RTJ)	mm	368	419	470	546	711	841	1000	1146

Swing Check Valve

Design & Testing International Standard of Swing Check Valve

MOC (Bill of Material – BOM)

Salient Features

Standard Material Specifications

Trim Material to API 600

Trim Pressure to API 598(Class-150)

Test Pressure to Api 598(Class-300)

Test Pressure to Api 598(Class-600)

Test Pressure to Api 598(Class-900)

Test Pressure to Api 598(Class-1500)

Dimensions (mm)(Class - 300)

Dimensions (mm) (Class- 600)

Dimensions (mm) (Class - 900)

Dimensions (mm) (Class - 1500)

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© Mayur (Valves) System 2020 All Rights Reserved

Swing Check Valve

Design & Testing International Standard of Swing Check Valve

MOC (Bill of Material – BOM)

Salient Features

Standard Material Specifications

Trim Material to API 600

Trim Pressure to API 598(Class-150)

Test Pressure to Api 598(Class-300)

Test Pressure to Api 598(Class-600)

Test Pressure to Api 598(Class-900)

Test Pressure to Api 598(Class-1500)

Dimensions (mm)(Class - 300)

Dimensions (mm) (Class- 600)

Dimensions (mm) (Class - 900)

Dimensions (mm) (Class - 1500)

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© Mayur (Valves) System 2020 All Rights Reserved