GRACO 218763 – Monark 1.5 1 Pneumatic 2-Ball Piston Pump, Stubby, Stainless Steel, UHMWPE/Leather

GRACO 218763 – Monark 1.5:1 Pneumatic 2-Ball Piston Pump, SS, Stubby Length, 180 PSI

Monark 1.5:1 pneumatic 2-ball piston pump designed for handling solventborne and waterborne fluids, high solids plural component coatings, resins, stains, lacquers, varnishes, cleaning fluids, acid-catalyzed materials, and high solid coatings. Features stainless steel construction with stubby length design for compact installations.

Designed for high production applications, Monark pumps provides uniform and easily controlled delivery with its reliable Monark air motor. Handles a wide range of fluids including cleaning fluids, high-solid coatings, acid-catalyzed materials, resins, high-solid plural component coatings, solventborne and waterborne fluids, stains, lacquers and varnishes.

Drum and stubby length models available for mounting and application flexibility

Positive displacement, 2-ball piston design provides uniform and easily controlled delivery

Stainless steel or carbon steel models available to handle various fluids

Fluid return stanchion for circulation back to the pump

Ultra High Molecular Weight Polyethylene (UHMWPE) packings for extended pump life in abrasive fluids

Additional Specifications

Flow Rate: 429 cc output per cycle, 6.8 GPM (25.7 l/m) output at 60 CPM

Length: stubby

Max Working Pressure: 180 PSI (12, 1.2 MPa) maximum working pressure, 120 PSI (8, 0.8 MPa) maximum inlet pressure

Material: stainless steel with UHMWPE/Leather seals

Part Number: 218763

Series: Series C

Pump Type: Monark Pump

Air Inlet Size (in)	3/8
Air Inlet Thread Gender	Female
Air Inlet Thread Type	NPSM
Application	Supply
Compatible Material	Waterborne, Solventborne, High Solids, Xirallic, CARC, Metallics, Topcoats, Stains, Varnish
Fluid Outlet Size (in)	1
Fluid Outlet Thread Gender	Female
Fluid Outlet Thread Type	NPT
Fluid Section Type	2-Ball
Includes	Stubby Length
Material	Stainless Steel
Maximum Air Inlet Pressure (psi)	120
Maximum Continuous Cycle Rate (CPM)	60
Maximum Flow Rate (GPM)	6.8
Maximum Operating Temperature (°F)	180
Maximum Working Pressure (MPa)	1.4
Maximum Working Pressure (psi)	200
Portable	Non-Portable
Pump Ratio	1.5:1
Seal Material	UHMWPE, Leather
Standards Met	ATEX, CE
Type	Pneumatic Piston Pump
Wetted Material	Stainless Steel

Features

1.5:1 pressure ratio pneumatic operation

2-ball piston design for reliable fluid handling

Stainless steel construction for durability

UHMWPE/Leather seals for chemical compatibility

Stubby length design for compact installations

Handles high solids and plural component materials

Applications

Solventborne and waterborne fluids

High solids plural component coatings

Resins

Stains, lacquers and varnishes

Cleaning fluids

Acid-catalyzed materials

Related Parts

223186 – 2:1 ratio UHMWPE/Leather stubby

223185 – 2:1 ratio UHMWPE/Leather drum

224350 – 5:1 ratio UHMWPE/PTFE drum

224343 – 5:1 ratio UHMWPE/PTFE

224345 – 5:1 ratio UHMWPE/Neoprene

218956 – 5:1 ratio PTFE

239327 – 15:1 ratio stubby

223844 – 15:1 ratio PTFE/Leather

223596 – 23:1 ratio stubby

237958 – 23:1 ratio stubby

Kit Contents

100579 – PIN, cotter

118160 – LOCKWASHER, ext shakeproof

156082 – O-RING; nitrile rubber

171217 – LOCKNUT; 3/4-11

166443 – NIPPLE, hex, reducing; 3/4 x 1/2 NPT

180986 – TUBE, return; 12.812″ (325.4 mm) long

189215 – TUBE, supply; 6.75″ (171.5 mm) long

191740 – ROD, connecting; 6.98″ (177.3 mm) long

218746 – PUMP, displacement

210004 – AIR MOTOR, Monark

171439 – NIPPLE, hex, reducing; 1″ x 3/4 NPT

190117 – NUT, coupling

190119 – COLLAR, coupling

Uses manual assembly part numbers 307653 (pump), 307652 (lower), and 307141 (motor). Available with various seal configurations and ratios for different applications. This is a 1.5:1 Ratio Monark Pump, Series C. Part 218794 is the same pump but in 55 Gallon (200 Liter) Drum Size instead of Stubby Size. This is a complete pump assembly. The displacement pump component is part 218746, and the air motor is part 210004.

Reference Manuals

344905 (Page 7) Supply Pumps Brochure

307653 (Page 1) 1.5:1 Ratio Monark Pump