Non Slam Check Valve

Non Slam Check Valve

Additional information

Size:

1'' ~ 48''

ANSI Class:

150 ~ 4500LB

Body Materials:

Wide range of materials of construction available, consult THINKTANK representative for special application requirements

Description

The axial nozzle check valve is the preferred solution for preventing return flow or shocks on critical process equipment. Typically used on rotating devices and systems where low-pressure loss, stable operation, and smooth dynamic behavior are essential.

bronze no slam check valve
bronze no slam check valve

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

High-Performance Nozzle Type Non-Slam Check Valve delivers an effective dynamic response under various flow deceleration applications and compared to the dual plate check valve and swing check valve as below figure 1.

figure1
figure1

 

Features

  • This nozzle check valve only has few moving parts, the disc is the only moving part, which meaning minimizing wear.
  • Axial movement of the disc – Disc and seating configuration give streamlined flow path with venturi effect, resulting in low pressure drop.
  • Short stroke of the spring-assisted disc – Inlet flow velocity moves the disc axially with a short stroke. In response to flow velocity reduction, a compressed spring initiates valve closure and provides a quick response.
  • Spring options – Choice of spring affects the critical velocity and valve response. Selection is made on engineering evaluation of specific applications. In absence of this data, a standard spring will be provided.
check valve close
nozzle type check valve close
check valve open
nozzle type check valve open

 

 

 

 

 

 

 

Industry Standards

 Valve Pressure Testing and Inspection API 598
Pressure/Temperature Ratings ASME B16.34
Pipeline Valves API 6D 
Production Valves API 6A
Pressure Equipment Directive 2014/68/EU
 International Standards Organisation Cryogenic testing ISO 28921 – 1
 British Valve Standard Cryogenic testing BS 6364
 Manufacturing Standards Society MSS SP-134
no slam axial check valve
no slam axial check valve

Additional information

Size:

1'' ~ 48''

ANSI Class:

150 ~ 4500LB

Body Materials:

Wide range of materials of construction available, consult THINKTANK representative for special application requirements

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