Maxtorque high-performance valve products

Worm-gear solutions that minimize effort

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Overview

Maxtorque™ high-performance valve products feature autolock technology that enables high-performance worm-gear solutions with the self-locking characteristics of conventional gearboxes. As a result, less work is required for valve actuation.

Maxtorque high-performance valve product showing the worm gear.

Applications

Manual and automated valves for a wide range of applications, including

oil and gas
chemicals
pulp and paper
food processing
subsea operations.

Benefits

2–2.5 times more efficient than commodity gears

Up to 75% less work required
Enhanced worker efficiency on manual valves, reduced need for actuators, and smaller actuators on motorized valves
Improved HSE profile
Quick stroke times when required

Features

Self-locking design
Double-enveloping gear set
Unique tooth form to reduce microscopic stresses
Superior sealing system and IP68 ingress protection rating
Rigorous testing and qualification
Best-in-class construction materials, including bronze output bearings to prevent galling
ATEX certification
Compliance with American Water Works Association (AWWA), US military (MIL) specifications, and ISO 9001:2000
Manufactured in the US

Tech Specs

Model	Rated Torque, 1,000 Cycles, lbf.ft	Rated Torque, 10,000 Cycles, lbf.ft	Max. Standard Bore, in	Standard Mounting	Base Unit Ratio	Base Mechanical Advantage
LW1	3,165	2,533	2.75	FA16	24.33	14.72
LW2	5,667	5,000	3.25	FA25	24.33	14.72
LW3	8,333	6,667	4	FA25	25.3	15.31
BW1	16,667	13,333	5.5	FA30	20.25	14.18
BW2	33,333	26,667	6.5	FA35	18.75	13.13
BW3	48,333	46,667	9	FA40	22.75	15.93
BW4	83,333	66,667	9	FA48	28.25	19.78
MW1	125,000	100,000	10	FA60	21.75	12.72
MW2	187,500	150,000	10	FA60	21.75	15.94
MW3	250,000	200,000	10	FA60	30.75	17.99