Flanged Metal-Seat Butterfly Valve

July 26, 2025

Model No.: D343H
Working Pressure: Medium Pressure (2.5 MPa < Pn < 6.4 MPa)
Operating Temperature: Medium Temperature (120°C < T < 450°C)
Seal Material: Soft Sealing
Valve Body: Casting
Standards: GB, DIN, ANSI
Application: Industrial, Water Treatment, Residential Use
Color: Blue or Customized
PN Rating: 10, 16, 150lb, 300lb
DN Range: 50-3200mm
Design: Casting or 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 valve is designed for use in water supply and drainage systems, including municipal, industrial, and residential applications. It serves as a reliable on/off control device in various environments such as buildings, chemical plants, and more.

Features

Equipped with a double or triple eccentric design, it ensures tight sealing, long service life, and high durability. The construction is suitable for demanding industrial conditions.

Executive Standards

  • GB/T 9113.1
  • API 609 Category A
  • BS EN 593 / BS 5155

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 Accommodation: 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 Part Materials

  • Body: Cast Steel, Stainless Steel
  • Disk: Cast Steel, Stainless Steel
  • Stem: Stainless Steel
  • Sealing Ring: Stainless Steel, PTFE
  • Packing: Flexible Graphite, PTFE

Key Specifications

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

Flanged Metal-Seat Butterfly Valve

Flanged Metal-Seat Butterfly Valve

Flanged Metal-Seat Butterfly Valve

Bohai Valve Group Co., Ltd. is a professional manufacturer of various types of valves, located in the Tianjin Bohai Economic Development Zone. With over 38 years of production experience since 1980, we have a team of ten technical engineers and more than 100 skilled workers. Our products are exported to Europe, America, Australia, Egypt, and Southeast Asian countries. We are committed to providing high-quality valves at competitive prices, along with excellent customer service.

Contact Us

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

Bis Amide As Opacifier

Bis Stearamide,Ethylene Bis Amide,Ethylene Bis Stearamid

Sichuan Tianyu Oleochemical Co., Ltd , https://www.sclthoil.com