P8 Clamped Metal Pump
P8 Clamped Metal Pump - Image 2

P8 Clamped Metal Pump

The Wilden® P8 – 2″ / 51 mm Original™ Series clamped metal Air-Operated Double-Diaphragm (AODD) Pump ensures reliability without sacrificing ease of maintenance. With simple installation and easy serviceability, it’s ready for rugged utilitarian applications that require a robust design.

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Product Description

The Wilden® P8 – 2″ / 51 mm Original™ Series clamped metal Air-Operated Double-Diaphragm (AODD) Pump ensures reliability without sacrificing ease of maintenance. With simple installation and easy serviceability, it’s ready for rugged utilitarian applications that require a robust design.

Available wetted path materials are aluminum, cast iron, stainless steel or alloy C.

The Wilden P8 comes equipped with the Pro-Flo® Air Distribution System (ADS), which provides the longest-lasting wear parts, on/off reliability, maximum Mean Time Between Repair (MTBR) and lube-free operation.

AIR INLET
  • 1/2″ FNPT
LIQUID INLET
  • 51 mm (2″)
LIQUID DISCHARGE
  • 51 mm (2″)
CONNECTION TYPE
  • NPT/BSPT (Threaded)
MAX SUCTION LIFT CAPABILITY
  • Rubber –6.9 m (22.7′) Dry, 8.6 m (28.4′) Wet
  • TPE – 6.7 m (22.1′) Dry, 8.6 m (28.4′) Wet
  • Full-Stroke PTFE – 6.7 m (22.1′) Dry, 9.0 m (29.5′) Wet
  • Reduced-Stroke PTFE – 4.6 m (15.0′) Dry, 9.5 m (31.0′) Wet
  • Ultra-Flex™ – 4.9 m (16.0′) Dry, 8.8 m (29.0′) Wet

MAX FLOW RATE
  • Rubber – 623 lpm (165 gpm)
  • TPE – 630 lpm (166 gpm)
  • Full-Stroke PTFE – 618 lpm (163 gpm)
  • Reduced-Stroke PTFE – 496 lpm (131 gpm)
  • Ultra-Flex™ – 526 lpm (139 gpm)
MAX PRESSURE
  • 8.6 bar (125 psi)
MAX DIAMETER SOLIDS
  • 6.4 mm (1/4”)
DISPLACEMENT PER STROKE *
  • Rubber – 2.6 L (0.70 gal)
  • TPE – 2.8 L (0.75 gal)
  • Full-Stroke PTFE – 2.6 L (0.70 gal)
  • Reduced-Stroke PTFE – 1.67 L (0.44 gal)
  • Ultra-Flex™ – 2.12 L (0.56 gal)

    • * 1 cycle = 2 strokes

Material Ship Wt
Aluminum 31.8 kg (70.0 lbs)
Cast Iron 47.1 kg (104.0 lbs)
Hastelloy 51.7 kg (114.0 lbs)
316 S.S. 51.0 kg (112.0 lbs)

NON-WETTED HOUSINGS

Description Material
Center Block Polypropylene
Air Chambers Aluminum, 316 S.S.
Air Valve Polypropylene
  • Chemical
  • Paint & Coatings
  • Mining
  • Oil & Gas
  • Water & Wastewater
  • Liquid Terminals
  • Process
  • Semiconductor
  • Food & Beverage
  • Pharmaceutical

CE Mark (Conformité Européene – European Conformity)

Wilden Pump & Engineering LLC has met the criteria for placing the CE mark on our product line. On December 3, 1999, Wilden fully self-certified its product line by meeting all the regulations of the Machinery and PED (Pressure Equipment) Directives. Every pump manufactured by Wilden will now receive the CE mark. Each pump box will also include a Safety Supplement manual in the eleven official languages of the European Community. This CE mark certification is indicative of Wilden’s pledge to providing our distributor network with all the sales tools necessary to excel in a global economy.