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High Pressure Concentric Butterfly Valve Carbon Steel Body Fire Safe Seat

China TEKO Industry Co., Limited certification
China TEKO Industry Co., Limited certification
Dear Peter, Highly appreciate your sound service. The valves have well arrived and looks every well. Regards, Andrea

—— Mr. Andrea Arredondo

Hi, my friend. Finally we got the bidder and nice to cooperate with you.You prefession and quick reaction was the firm support for the business.

—— Mr.Hiep Le Hao



Good da, we just got the appoval from our customer. Your experiences helped a lot in the project. The final drawing is also very professional. Cheers!

—— Mr. Scott Hornick

compramos de TEKO desde 2011, continuaremos la cooperación. La calidad es buena y el precio es bueno.

—— Ing. Hugo Diaz

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High Pressure Concentric Butterfly Valve Carbon Steel Body Fire Safe Seat

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Large Image :  High Pressure Concentric Butterfly Valve Carbon Steel Body Fire Safe Seat

Product Details:
Place of Origin: Made In China
Brand Name: TEKO
Certification: CE Certificate
Model Number: D72F
Payment & Shipping Terms:
Minimum Order Quantity: 1 pcs
Price: By Negotiation
Packaging Details: By polywooden cases
Delivery Time: 15 days after deposite
Payment Terms: T/T, Western Union, L/C
Supply Ability: 10 tons per month
Detailed Product Description
Design: Double Eccentric Material: WCB, CF8, CF8M
Disc: CF8/CF8M Shaft: 17-4PH, XM-19
Seat: RPTFE, Viton Port Size: 16"~144"
Pressure: 150Lb, 300lb, 600Lb, 900Lb

Carbon Steel Body Fire Safe Seat High Pressure Concentric Butterfly Valve


  • Automated with Pneumatic Spring Return Actuator
  • Automated with Pneumatic Double Acting Actuator
  • Automated with Electric Actuator (optional Explosion Proof)
  • Wafer and Lug Style
  • Sizes 2” – 36”( larger sizes available)

Features and Benefits

  • Standard body materials are 316 SST or WCB. Application specific options include: Alloy 20, Monel, CD3MN, Hastelloy C, Inconel 625, Aluminum Bronze, LCB and others.
  • Standard seat materials are RTFE, RTFE/316L SST (Firesafe), and 316L SST (metal seat). Application specific seat materials include: 50/50 STFE, PTFE, PEEK, UHMWPE, TFM-1600 and Inconel 625.
  • RTFE and Firesafe seat designs offer bubble-tight, bi-directional shutoff to full ANSI/ASME Class 150# and 300# standards. Metal seat design offers Class V shutoff.
  • Blow out proof stem design
  • Square Stem
    Stem design facilitates direct mounting of pneumatic and electric actuators or gear operators through 12”. Standard Stem Material is 316 SST for 150# and 17-4 pH or XM-19 for 300#.
  • Live Loaded Packing
    Power-Seal HPBFVs come standard with Live Loaded packing. Three sets of Belleville washers are added to each gland stud to maintain a self-adjusting packing load.
  • Application Specific Stem Packing
    Standard packing is Graphite. Application specific options include: Double PTFE V-ring or Double PTFE Inverted packing.
  • Internally Cast Travel Stop
    Travel Stop prevents over rotation of the disc in an effort to limit possible seat damage.
  • Seat Retainer Design
    Seat retainer is designed so the fasteners do not interfere with the flange gasket sealing surface.

Seat Designs

  • Soft Seat design
    RTFE seat for bubble-tight shutoff of general purpose applications up to 450°F.
  • RTFE/316L SST fire-safe seat design
    Primary RTFE seat for bubble-tight shutoff backed up by secondary 316L SST fire-safe seat. Secondary fire-safe seat provides Class V shutoff when primary RTFE seat is compromised in a fire event.

Main Parts Material


No. Part Name Carbon Steel Stainless Steel
1 Body ASTM A216 WCB ASTM A351 CF8 ASTM A351 CF8M
2 Disc ASTM A351 CF8 ASTM A351 CF8 ASTM A351 CF8M
3 Insert Carbon Steel 316 316
4 Seat RPTFE or PPL
5 Shaft 17-4PH 17-4PH 17-4PH
6 Packing Gland ASTM A216 WCB ASTM A351 CF8 ASTM A351 CF8M
7 Packing RPTFE
8 Packing Pad 316 316 316
9 Sleeve 316+RPTFE
10 Shaft colar 316 316 316
11 Pin 17-4PH 17-4PH 17-4PH
12 Bolt, nut Carbon Steel SS SS

Contact Details
TEKO Industry Co., Limited

Contact Person: sales

Tel: +8613660157288

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