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Quadra-Powr X Spring Diaphragm Rotary Actuator
Brand: ValmetExclusively developed for quarter-turn valve service, Quadra-PowrX Spring-Diaphragm Actuators provide safe and reliable operation even when minimal supply pressures are available. Yet they are capable of operating at pressures as high as psi: 100 (kPa: 700, bar: 7).
These units can be operated by air, gas, water, oil, or other supply media compatible with the ductile iron/carbon steel casing of the actuator and the Buna-N diaphragm reinforced with polyamide fabric.
Quadra-PowrX torque outputs range from 15 to 796 Nm (11 to 587 feet-pounds), depending on actuator selection and available supply pressure.
Specifications
Brand
Actuator Type
- Handwheel
- Spring Diaphragm
Bearing Material
- Driver Arm, Clevis: Stainless Steel
- Thrust: Nylon
- UHMW Polyethylene
Cover Material
- Ductile Iron
Diaphragm Material
- Buna-N
- Diaphragm with Centering Hole: Nitrile
- Diaphragm with Centering Hole: Polymide Fabric Blend
Enclosure Finish
- UV Resistant Polyurethane Coating
- Zinc Phosphate Epoxy
Enclosure, Body Material
- Diaphragm & Spring Casing: Carbon Steel
- Driver Housing: Ductile Iron
Materials of Construction
- Acuator Rod, Clevis, Indicator Pointer, Spring Retainer: Carbon Steel
- Attention Plate: Mylar
- Diaphragm Retainer: UHMW Polyethylene
- Driver Arm, Diaphragm Retainer: Ductile Iron
- Lining: Acetal
- Washer, NTP Adapter, Breather, Diaphragm Washer: Stainless Steel
Media
- Air
- Gas
- Oil
- Water
Mounting
- Bottom Mounting
- Top Mounting
Mounting Position
- Actuator Driver: Horizontal
- Diaphragm Casing: Vertical
Name Plate, Tag Material
- Mylar
- Stainless Steel
NPT Connection
- 3/8” NPT Female
Nut & Bolt Material
- Hex Jam,Nylon Insert Lock Nut: Stainless Steel
Operating Pressure
- psi: 100 (kPa: 700, bar: 7) - Max.
Operation
- Manual Operation
Override
- Jackscrew Manual Override
Pressure Range
- Design - psi: 160 (kPa: 1,100, bar: 11) - Max.
Ring Material
- Retaining: Stainless Steel
Screw Material
- Hex Head Cap, Socket Head Cap, Set: Stainless Steel
- Shoulder: Carbon Steel
Speed
- 2 to 3 seconds
Spring Material
- Compression: Carbon Steel
Spring Range
- psi: 20 to 80 (kPa: 138 to 550, bar: 1.3 to 5.5)
Temperature Range
- -29° to 66° C (-20° to 150° F)
Torque
- 15 to 796 Nm (132.8 to 7,045 In/Lbs)
