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Factory Wholesale Double Offset Butterfly Valve - Concentric Cast Iron Full Lined Butterfly Valve – Zhongfa Featured Image
  • Factory Wholesale Double Offset Butterfly Valve - Concentric Cast Iron Full Lined Butterfly Valve – Zhongfa
  • Factory Wholesale Double Offset Butterfly Valve - Concentric Cast Iron Full Lined Butterfly Valve – Zhongfa
  • Factory Wholesale Double Offset Butterfly Valve - Concentric Cast Iron Full Lined Butterfly Valve – Zhongfa
  • Factory Wholesale Double Offset Butterfly Valve - Concentric Cast Iron Full Lined Butterfly Valve – Zhongfa
  • Factory Wholesale Double Offset Butterfly Valve - Concentric Cast Iron Full Lined Butterfly Valve – Zhongfa

Factory Wholesale Double Offset Butterfly Valve - Concentric Cast Iron Full Lined Butterfly Valve – Zhongfa


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We often stay with the principle "Quality Very first, Prestige Supreme". We have been fully committed to supplying our consumers with competitively priced high-quality goods, prompt delivery and skilled provider for Lug Body Butterfly Valve, Bolted Bonnet Gate Valve, Indicating Butterfly Valve, Currently, we are looking forward to even greater cooperation with overseas customers based on mutual benefits. Please feel free to contact us for more details.
Factory Wholesale Double Offset Butterfly Valve - Concentric Cast Iron Full Lined Butterfly Valve – Zhongfa Detail:

Product Detail

Size & Pressure Rating & Standard
Size DN40-DN300
Pressure Rating PN10, PN16, CL150, JIS 5K, JIS 10K
Face to Face STD API609, BS5155, DIN3202, ISO5752
Connection STD PN6, PN10, PN16, PN25, 150LB, JIS5K, 10K, 16K, GOST33259
Upper Flange STD ISO 5211
Material
Body Cast Iron(GG25), Ductile Iron(GGG40/50), Carbon Steel(WCB A216), Stainless Steel(SS304/SS316/SS304L/SS316L) , Duplex Stainless Steel(2507/1.4529), Bronze, Aluminium Alloy.
Disc DI+Ni, Carbon Steel(WCB A216), Stainless Steel(SS304/SS316/SS304L/SS316L) , Duplex Stainless Steel(2507/1.4529), Bronze, DI/WCB/SS coated with Epoxy Painting/Nylon/EPDM/NBR/PTFE/PFA
Stem/Shaft SS416, SS431, SS304, SS316, Duplex Stainless Steel, Monel
Seat NBR, EPDM/REPDM, PTFE/RPTFE, Viton, Neoprene, Hypalon, Silicon, PFA
Bushing PTFE, Bronze
O Ring NBR, EPDM, FKM
Actuator Hand Lever, Gear Box, Electric Actuator, Pneumatic Actuator

Product Display

Product Advantage

The valve seat is wide edge seat, sealing gap is wider than regular type, makes the sealing for connection easier. Wider seat also easy to install than narrow seat. The stem direction of the seat has lug boss, with O ring on it, archive the second sealing of the valve.

The valve seat with 3 bushing and 3 O ring, helps supporting the stem and guarantee the sealing.

Each valve should be cleaned by ultra-sonic cleaning machine, in case of contaminant left inside, guarantee the cleaning of the valve, in case of pollution to the pipeline.

Handle of the valve use ductile iron, is anti-corrosion than regular handle. Spring and pin use ss304 material. Handle part use semicircle structure, with good touch feeling.

Butterfly valve pin use modulation type, high strength, wear-resisting and safe connection.

Non-pin stem design adopts anti-blowout structure, the valve stem adopt double jump ring, not only can compensate the error in installation, but also can stop the stem being blow off.

After natural cooling, the adhesive of the powder is higher than regular type, guarantee there’s no color change in 36 months.

Pneumatic actuators adopt double piston structure, with high precision and effective, and stable output torque.

Body Test: The valve body test use 1.5 times pressure than standard pressure. The test should be done after installation, the valve disc is half close, called body pressure test. The valve seat uses 1.1 times pressure than standard pressure.

Company Advantage

Price Advantage: Our price is competitive because we process valve parts by ourselves.

QC: Our regular customers have been working with us more than 10 years as we always keeping our high-level QC for our products.

Our valves are compliance with valve international standard of ASTM, ANSI, ISO, BS, DIN, GOST, JIS, KS and so on. Size DN40-DN1200, nominal pressure: 0.1Mpa~2.0Mpa, suitable temperature:-30℃ to 200℃. The products are suitable for non-corrosive and corrosive gas, fluid, semi-fluid, solid, powder and other medium in HVAC, fire control, water conservancy project, water supply and drainage in urban, electric powder, petroleum, chemical industry, and so on.

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owing to fantastic assistance, a variety of high quality goods, aggressive rates and efficient delivery, we love a very good popularity among our customers. We are an energetic firm with wide market for Factory Wholesale Double Offset Butterfly Valve - Concentric Cast Iron Full Lined Butterfly Valve – Zhongfa , The product will supply to all over the world, such as: New Orleans, Moldova, Brasilia, We warmly welcome your patronage and will serve our clients both at home and abroad with products and solutions of superior quality and excellent service geared to the trend of further development as always. We believe you will benefit from our professionalism soon.
    • The product classification is very detailed that can be very accurate to meet our demand, a professional wholesaler.
    5 Stars By Miriam from Montpellier - 2018.07.27 12:26
    We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.
    5 Stars By Claire from New Zealand - 2018.06.12 16:22
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