Products

Marquest Throttle Master: Manually Actuated - PP \ PTFE
Marquest Throttle Master: Manually Actuated - PP \ PTFE
SKU
NG-250-PPR
Pipe Size
1/4 IN
Connection Type
Threaded
Price
$67.09
SKU
NG-375-PPR
Pipe Size
3/8 IN
Connection Type
Threaded
Price
$67.09
SKU
NG-500-PPR
Pipe Size
1/2 IN
Connection Type
Threaded
Price
$72.09

Marquest Scientific’s complete line of Throttle Master™ Needle Valves provide precise control with fine adjustment of corrosive and high purity fluids. The developed metering chamber provides for the most reliable stabilization and linearity of flow. Produced in two styles: Globe pattern (straight 180°) and Angle pattern (90°).  Needle finish, SPI/SPE No. 1. Bubble tight, low torque shutoff, long term performance. NSF standard 14 & 61 compliant, FDA, USDA and USP standards met or exceeded. Needle stem is PTFE sealed for excellent chemical resistance

Marquest Throttle Master: Manually Actuated - PVC \ PTFE
Marquest Throttle Master: Manually Actuated - PVC \ PTFE
SKU
NA-250-PVC
Pipe Size
1/4 IN
Connection Type
Threaded
Price
$60.64
SKU
NA-375-PVC
Pipe Size
3/8 IN
Connection Type
Threaded
Price
$60.64
SKU
NA-500-PVC
Pipe Size
1/2 IN
Connection Type
Threaded
Price
$68.49

Produced in two styles: Globe pattern (straight 180°) and Angle pattern (90°). NSF standard 14 & 61 compliant, FDA, USDA and USP standards met or exceeded. Fine metering control, excellent linearity of flow. No elastomer (O-rings) metals or lubricants. Working pressures to 250 psi @ 70°F. 

Marquest Throttle Master: Manually Actuated - PVC \ PTFE
Marquest Throttle Master: Manually Actuated - PVC \ PTFE
SKU
NG-250-PVC
Pipe Size
1/4 IN
Connection Type
Threaded
Price
$60.64
SKU
NG-375-PVC
Pipe Size
3/8 IN
Connection Type
Threaded
Price
$60.64
SKU
NG-500-PVC
Pipe Size
1/2 IN
Connection Type
Threaded
Price
$68.49

Marquest Scientific’s complete line of Throttle Master™ Needle Valves provide precise control with fine adjustment of corrosive and high purity fluids. The developed metering chamber provides for the most reliable stabilization and linearity of flow. Produced in two styles: Globe pattern (straight 180°) and Angle pattern (90°).  Needle finish, SPI/SPE No. 1. Bubble tight, low torque shutoff, long term performance. NSF standard 14 & 61 compliant, FDA, USDA and USP standards met or exceeded. Needle stem is PTFE sealed for excellent chemical resistance

Matco Norca Butterfly Check Valves: Automatic
Matco Norca Butterfly Check Valves: Automatic
SKU
CVC-2
Pipe Size
2 IN
Connection Type
Flange
Material
CAST IRON
Price
$216.17
SKU
CVC-2.5
Pipe Size
2 1/2 IN
Connection Type
Flange
Material
CAST IRON
Price
$239.33
SKU
CVC-3
Pipe Size
3 IN
Connection Type
Flange
Material
CAST IRON
Price
$296.47
SKU
CVC-4
Pipe Size
4 IN
Connection Type
Flange
Material
CAST IRON
Price
$379.84
SKU
CVC-6
Pipe Size
6 IN
Connection Type
Flange
Material
CAST IRON
Price
$569.76
SKU
CVC-8
Pipe Size
8 IN
Connection Type
Flange
Material
CAST IRON
Price
$903.28
SKU
CVC-10
Pipe Size
10 IN
Connection Type
Flange
Material
CAST IRON
Price
$1,165.77
SKU
CVC-12
Pipe Size
12 IN
Connection Type
Flange
Material
CAST IRON
Price
$1,726.26

Wafer Check Valves
MATCO Norca is a leading supplier of high quality check valves to all phases of industry. Metal hinged dual plate check valves are designed and rated in accordance with industry (ANSI and ASME) standards.
• Minimal pressure loss. 200 psi rated @ 150°F     • Minimal installation space and time     • Cast iron body, bronze plates, NBR seat and stainless steel trim
• Ideal for pools, water parks and water features

Note - install minimum 5 pipe diameters downstream from pump discharge or elbow to avoid turbulence