Delivery Time:7-15 Work days
Certification:ISO/API 6D/CE/TS

Heavy Duty Full Port 6 Inch Check Valve Flange Type BS 1868 ANSI 150

Description:

   Check valves are automatically actuated.they are opened and sustained in the open position by the force of velocity pressure, and closed by the force of gravity. Seating load and resultant tightness is dependent upon back pressure. The disc and associated moving parts may be in a constant state of movement if the velocity pressure is not sufficient to hold the valve in a wide open and stable position. 

  There is no tendency for the seating surfaces of swing check valve to gall or score, because the disc meets the flat seat squarely without rubbing contact upon closing. 

   Swing check valvs are used to prevent reversal of flow in horizontal or vertical pipe lines. in Vertical lines, or for any angle from hirzontal to vertical , they can be used for upward flow only.

Characteristics of design:

  1 .  Large size check valves are provided with lifting rings for the convenience of hosisting

  2 .  Hinge-Designed to withstand the shock load of quick closing to insure longer life and continued shut-off.

  3 .   Seat Ring- Heavy duty, full ported seal welded into body

  4 .   Bonnet Gasket- The type of bonnet gasket can be chose by different pressure. 

  5 .   Body- Full bore, Heavy duty body for maximum service life. Provided optional drain plug.

Specifications:

Material of main Parts	Body/Cover	Cast Steel or low-temperature carbon steel
	Disc	Cast steel or Stainless Steel or requirement
	Hinge	Cast steel or Stainless steel
	Seat	A105+13%Cr or stainless steel or Stellite
	Bolt /Nut	A193 B7/ A194 2H
Working Temperature	-46 to 425 Celsius degree
Working Medium	Water, Oil, Gas, H2SO, Steam

Dimmension:

SIZE		CLASS 150						CLASS 300
NPS		L			d	H	Weight (Kg)	L			d	H	Weight (Kg)
inch	mm	RF	RTJ	BW				RF	RTJ	BW
2	50	203	216	203	51	132	15	267	283	267	51	144	20
21/2	65	216	229	216	64	147	20	292	308	292	64	169	35
3	80	241	254	241	76	176	27	318	333	318	76	210	40
4	100	292	305	292	102	198	45	356	371	356	102	260	61
5	125	330	343	330	127	255	58	400	416	400	127	295	80
6	150	356	368	356	152	320	69	445	460	445	152	326	130
8	200	495	508	495	203	380	131	533	549	533	203	380	190
10	250	622	635	622	254	440	219	622	638	622	254	440	296
12	300	699	711	699	305	480	321	711	727	711	305	520	450
14	350	787	800	787	337	530	380	838	854	838	337	540	640
1 Contact Supplier Ms. Lee sale Manager Chat Now Telephone 86-577-55557788 Mobile 86-13676785151 Fax 86-577-86920388 Skype franceslf Address Tonghai Road, Yongqian Hi tech Park, Longwan Yantai,Shandong Showroom https://flangdvv.goldsupplier.com/ You May Like Reduced Bore Stainless Steel Ball Valves 1/2\" CF8 1000 WOG Pressure Negotiable /Piece 1 Piece(MOQ) 6 Inch Pressure Y Type Strainers , Cast Iron Flanged Water Y Strainer Negotiable /Piece 1 Piece(MOQ) 4\'\' 1000WOG 2PC Stainless Steel Ball Valves , Female Threaded End Hand Operated Ball Valve Negotiable /Set 1 Set(MOQ) 3 Piece Locking Stainless Steel Ball Valves , Full Bore 1000 WOG Ball Valve Negotiable /Set 1 Set(MOQ) 3 PC Threaded Stainless Steel Ball Valves , ISO 5211 Investment CastingBall Valve Negotiable /Piece 1 Piece(MOQ) Lift Type Single Plate 2 Way Check Valve Wafer Style Quiet 10 Inch Negotiable /Piece 1 Piece(MOQ) New Products L / T Port Three Way Ball Valve Thread Reduced Bore 1/4\" 1000PSI Negotiable /Metric Ton 1 Metric Ton(MOQ) Flanged End High Pressure Strainer 2 Y Type Class 150 With Gasket Negotiable /Piece 1 Piece(MOQ) ANSI 150LB API6D Flanged Gate Valve , 4 Inch OS andY Gate Valve Negotiable /Set 1 Set(MOQ) Butt Weld Motor Operated Resilient Wedge Gate Valve Carbon Steel Rising Stem Negotiable /Kilogram 1 Kilogram(MOQ) 150 LB Y Pattern Flanged Globe Valve , Standard API 6D Stainless Globe Valve Negotiable /Piece 1 Piece(MOQ) ANSI 150 LB 12\'\' Butt Weld Globe Valve Bonnet Gasket API598 Standard Negotiable /Set 1 Set(MOQ) Actuated Forged Steel OS&Y Gate Valve Class 600 API 602 Design Negotiable /Piece 1 Piece(MOQ) BSPT / NPT Threaded 1/2\'\' Pressure Seal Gate Valve Bonnet Structure Negotiable /Piece 1 Piece(MOQ) Self - 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