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Saunders Cast Steel Straight Way Diaphragm Valves

China China Adhesive Dispensing Machine Online Market certification
China China Adhesive Dispensing Machine Online Market certification
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Saunders Cast Steel Straight Way Diaphragm Valves

Saunders Cast Steel Straight Way Diaphragm Valves
Saunders Cast Steel Straight Way Diaphragm Valves

Large Image :  Saunders Cast Steel Straight Way Diaphragm Valves

Product Details:
Place of Origin: Zhejiang,China
Brand Name: Zdapan
Certification: ISO9001:2000,ISO14001,API600,API6D,AZ,CE
Model Number: Zdapan Va0056
Key words: Saunders Cast Steel Straight Way Diaphragm Valves
Payment & Shipping Terms:
Minimum Order Quantity: 1000 Piece/Pieces
Price: Negotiable
Packaging Details: wood case, plywood case
Delivery Time: About 5- 30 days after getting the deposit
Payment Terms: L/C,T/T,T/T,Western Union
Supply Ability: 100000 Piece/Pieces per Month
Detailed Product Description

Saunders Cast Steel Straight Way Diaphragm Valves

The specification of  Saunders Cast Steel Straight Way Diaphragm Valves
*Electric Butterfly Ball Valve
*Non-intrusive design IP67
*1/3 size & weight

Saunders Cast Steel Straight Way Diaphragm Valves

 I. Product Overview

 Zdapan products and performance is world advanced level intelligent non-intrusive electric actuators which can be commissioned without removing covers. Users only need to setup once at both FULLY OPEN and FULLY CLOSE positions if there is no special requirement.

 The product is composed of embedded electromotor, gearbox, control box integration, manual handle, local digital display, local operation buttons etc.


 Small size and light weight. (1/3 of comparable products) It is especially suitable for small size ball valves and butterfly valves in limited, frequent vibrating space.


 Zdapan Valve has wide range of product line: we offer On-Off duty, pulse control and modulating duty..


 Power supply: single phase 220V/AC, 3-phase 380V/AC, other power supply is also provided under request.


 Torque range: 50Nm~2000Nm


 Protection Level: IP67  EX level: dIIBT4

II.  Main Features

 Electrical control box is double-sealed enclosure largely increase the reliability and service life by avoiding damages to the circuit board if the control box is uncovered or water leaking into wiring holes.

 We adopted digital tubes and display valve position, malfunction and alarm info directly from the machine.

 The box that carrying loads is made of cast iron and it increases its durability. Load capacity is approximately 2 times of comparable products.

 Worms are immersed in a inclosed liquid oil so that life is 3 times of comparable products.

 We adopt professional lightening-proof technology.

 Electrics double protection: The peripheral protection circuit shut off the main power when main control weak current system is malfunctioned. Therefore, it avoids damages to the actuators and the valves.

 We avoid the trouble of battery lose no matter if the power is on by removing battery in actuators; therefore, completely avoid the setup change due to manual operation under power outrage.

 Location sensor is made of conductive plastic potentiometer used in space technology which ensure long service life and high reliability.

III. Main Functions

  • Easy commission and program operation without removing covers
  • Absolute encoder for real-time valve position detection
  • Microprocessor for processing various operative data
  • LED display for various running states
  • Power-off and phase-loss protection function
  • Locked-rotor torque protection function
  • Signal cut-off protection function
  • Input and output isolation protection
  • Programmable controlling method
  • Input signal Calibration
  • Output signal Calibration
  • Adjustable dead band within the scope of 0.1~9.9
  • Various self-checking diagnosis and alarm functions

Saunders Cast Steel Straight Way Diaphragm Valves

A gate valve, also known as a sluice valve, is a valve that opens by lifting a round or rectangular gate/wedge out of the path of the fluid. The distinct feature of a gate valve is the sealing surfaces between the gate and seats are planar, so gate valves are often used when a straight-line flow of fluid and minimum restric­tion is desired. The gate faces can form a wedge shape or they can be parallel. On opening the gate valve, the flow path is enlarged in a highly nonlinear manner with respect to percent of opening. This means that flow rate does not change evenly with stem travel. Also, a partially open gate disk tends to vibrate from the fluid flow. Most of the flow change occurs near shutoff with a relatively high fluid velocity causing disk and seat wear and eventual leakage if used to regulate flow. Typical gate valves are designed to be fully opened or closed.


   OFFSET1 The shaft is offset behind the seat axis to allow complete sealing contact around the entire seat 

   OFFSET2 The shaft centerline is offset from the pipe and valve which provides interference free opening and closing of the valve  

   OFFSET3 The seat come axis is offset from the  shaft centerline to eliminate friction during closing and opening and to achieve uniform compressive sealing arount the entire seat.

  (1)Seat is Cr13 matal alloy or hardfaced with Stellite as standard.

  (2)The gasket is spiral wound SS/Graphite for zero leakage. 

  (3)Seat ring forces are generated by the torque during closing uniformly around the entire circumference.The resilent seal fleses and energizes,assuming the shape of the seat,The compression forces equally distributed around the perimeter provide a tight bi-directional shut off. The resiliency of the seal allows the valve body and disc to contract or expand,without the risk of jamming duo to temperature flunctuations.It is self-adjusting.

Hot words: Saunders Cast Steel Straight Way Diaphragm Valves

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