Body site: Carbon steel\stainless steel
Gate: Stainless steel
Stem: Stainless steel
Gasket ring: Rubber, PTFE, polyurethane, stainless steel and hard alloy
Stainless Steel Knife Gate Valves (PZ73H)
Standards Compliance:
MSS SP-81, JB/T 8691
Face to Face Dimension: MSS SP-81
Pre-temperature Rating: ANSI B16.34
Flanged Dimension: ANSI B16.5, DIN2533; JB79; GB/T 9113; HG20592
Inspect & Test: API 598, GB/T 13927; JB/T 9092
Carbon Steel:
Cast Carbon Steel A216 Gr WCB Body and Bonnet.
F316 Stem & Gate, Resilient or Metal Seating
Stem packing PTFE / graphite composite.
Cast Iron:
Cast Iron A126 GR. B Body and Bonnet.
F304 Stem & Gate, Resilient or Metal Seating
Stem packing PTFE / graphite composite.
Available also in low temperature steels, low alloy steels, stainless steels, duplex type stainless steels and other exotic materials.
Various trim materials available to suit service conditions.
| Main Performance Specifications |
| Nominal pressure | PN |
| Shell | 0.9*PN | 1.5*PN | 2.4*PN |
| Seal Test | 0.7*PN | 1.1*PN | 1.76*PN |
| Working temperature | Rubber≤ 80degree Celsius, PTFE≤ 180degree Celsius, hard-sealed≤ 425degree Celsius |
| The use of media | Syrup, paper pulp, sewage, coal slurry, ash and slag-water mixture |
Zhejiang BYHO Valve Co., Ltd. is located in Ou Bei Twon of Wenzhou City, China known as China Pump & Valve country. Our company has advanced manufacturing equipment such as CNC center, large-scale vertical lathe, borer as well as professional testing equipment.
Our company professionally produce gate valves, globe valves, check valves, ball valves, butterfly valves, plug valves and strainers in accordance with the standards like API 6D, API 600, API 602, API 607 DIN, and so on. Such special materials as WCB, LCB, LCC, WC6, WC9, C5, C12, CF8, CF8M, CN7M, F51, F11, F22, F51 or F53 can be selected according to customers' requirements.
Our company focus on informational construction, and consider everything from the angel of customers and work on information collection and resource share issues. Our company adopts leading management software to monitor the whole course of production and sales part and informs customers of product information and production schedule that customers mostly concerned about so that customer can get to know production schedule of the order.
Our company always put our attention on the development of the valve industry and take the lead to maintain the trace and pursuit of the latest technology in this industry and play an important role in the industry information promoter and technology service disseminator.
