Resilient Seat Double Eccentric Flanged Butterfly Valve

July 26, 2025

Model NO.: D343X
Working Pressure: Mid-Pressure (2.5MPa < Pn < 6.4MPa)
Operating Temperature: Medium Temperature (120°C < T < 450°C)
Seal Material: Soft Sealing
Valve Body: Casting
Standards: GB / DIN / ANSI
Applications: Industrial, Water Supply, Household
Color: Blue or Customized
PN Rating: 10, 16, 150lb, 300lb
DN Size: 50–3200mm
Design Type: Casting / Forging
Actuation: Manual / Electric / Pneumatic
Sealing Materials: EPDM, NBR, PTFE, Viton, Stainless Steel, Stellite
Certifications: WARS, CE, ISO9001, ISO14001, GOST, SGS
Coating Thickness: 250 Micron
Usage: Tap Water, Drinking Water, Sea Water, Oil, Gas
Trademark: BH
Packaging: Wooden Case
Material: Ductile Iron
Origin: China
HS Code: 8481804090

Purpose

This product is widely used in water supply and drainage systems for tap water, sewage, buildings, and chemical industries. It functions as a reliable opening and closing equipment.

Features

Featuring a double or triple eccentric design, this valve ensures tight sealing, long service life, and high durability.

Executive Standards

  • GB/T 9113.1
  • API 609 Category A
  • BS EN593 / BS5155

Performance Parameters

  • Nominal Diameter: 2" – 80" / DN50 – DN2000
  • Working Pressure: 10 Bar / 16 Bar / 25 Bar
  • Face-to-Face: API 609 Table 1 / ISO 5752 Series 20 / BS 5155
  • Flange Compatibility: ANSI B16.1 Class 125/150, EN1092-2 PN6/10/16/25
  • Top Flange: ISO 5211
  • Tightness Inspection: API 598 / ISO 5208 / EN12226-2

Main Components Material

  • Body: Cast steel, Stainless Steel
  • Disk: Cast steel, Stainless Steel
  • Stem: Stainless Steel
  • Sealing Ring: Stainless Steel, PTFE
  • Packing: Flexible Graphite, PTFE
DN 40 – 1200 mm
PN 1.0 – 1.6 MPa
Maximum Temperature 100°C
Media Water, Gas, Oil
Operation Manual / Electric / Pneumatic


Packing: Wooden Case

Resilient Seat Double Eccentric Flanged Butterfly Valve
Resilient Seat Double Eccentric Flanged Butterfly Valve
Resilient Seat Double Eccentric Flanged Butterfly Valve

We, BOHAI VALVE GROUP CO., LTD., are a professional manufacturer of various types of valves, located in the Tianjin Bohai Economic Development Zone, covering over 10,000 square meters. Established in 1980, we have more than 38 years of production experience. We currently employ ten technical engineers and over 100 workers. Our products are exported to Europe, America, Australia, Egypt, and Southeast Asian countries. We provide high-quality products with excellent service and competitive pricing.

Bohai Valve Group Co., Ltd.

Tel: +86-022-28596661 ext 8015 | FAX: +86-022-8861 5222

Web: www.bhvalve.cn

Address: No.88 Gao Ying Road, Beizhakou Town, Jinnan District, Tianjin, China

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