mRoy XW Series Metering pump

The mROY XW metering pump delivers precise, consistent chemical dosing with a durable, hydraulically-actuated PTFE diaphragm. Engineered for reliability, it operates continuously for decades, meeting global standards while handling a wide range of fluids with accuracy. Compact yet powerful, it's built for long-term industrial performance.

Material (liquid end): 316SS
Pressure max: 3,000 psi / 137.9 bar (metallic liquid end)
Flow max: 9.2 gph / 34.8 lph (metallic liquid end)
Flow variation control: Manual / Remote
Certifications: API 675

Pressure Max - Metallic Liquid End

137.9

Bar

Pressure Max - Metallic Liquid End PSI

3000

PSI

Flow Max - Metallic Liquid End

34.8

LPH

Flow Max - Metallic Liquid End PSI

9.2

PSI

Extended Diaphragm Life

Hydraulically balanced PTFE diaphragm delivers up to 96,000 hours of dependable, seal-free performance.

Low Maintenance Design

No seals or plunger packing required, reducing maintenance effort and operational costs.

Simplified Startup

Liquid end bleed system enables quick, easy commissioning and smooth initial operation.

Efficient Drive Mechanism

Worm and pinion drive in an oil bath ensures smooth motion and long-lasting mechanical reliability.

Rugged Build Quality

Dust-tight cast iron housing provides durability and protection in harsh industrial environments.

Precision Flow Control

Micrometer capacity adjustment allows accurate and consistent dosing performance.

Integrated Safety System

Internal hydraulic relief valve prevents overpressure and protects system components.

Reliable Valve Performance

Adjustable cartridge-type check valves ensure consistent sealing and dependable operation.

Targeted Industry Applications

Ideal for chemical dosing in oil & gas, power generation, boilers, food processing, and petrochemical industries.

Capacity/Pressure Tables

0 to 9.2 GPH (34.8 L/H) - 3000 PSI (207 BAR) maximum

Plunger Diameter	Gear Ratio Code	Strokes Per Minute		Metallic Liquid Ends
		Strokes Per Minute		GPH at 2000 psi		GPH at 2500 psi		GPH at 3000 psi		L/hr at 138 BAR		L/hr at 172 BAR		L / h r at 207 BAR
		60 hz	50 hz	60 hz	50 hz	60 hz	50 hz	60 hz	50 hz	60 hz	50 hz	60 hz	50 hz	60 hz	50 hz
1/2” 13 mm	38	48	40	2.8	2.3	2.6	2.2	2.5	2.1	10.6	8.8	10.1	8.4	9.3	7.8	Requires 0.75 kW (1 HP) motor
	25	72	60	4.3	3.6	4.0	3.3	3.8	3.1	16.2	13.5	15.1	12.6	14.2	11.9
	19	96	80	5.8	4.8	5.4	4.5	5.0	4.2	21.9	18.3	20.4	17.0	18.9	15.8
	12	144	120	9.2	7.7	8.6	7.2	8.0	6.7	34.8	29.0	32.5	27.1	30.3	25.2	Requires 1.1 kW (1.5 HP) motor