Model FM1 Studded Ball Screw (7 1/16" 15M) Gate Valve

MODEL FM1, FORMERLY REFERRED TO AS THE MODEL VW-SB1540 BS; IS A DESIGN DEVELOPED FOR THE EXTREME SERVICE OF THE 7 1/16" 10M AND 7 1/16" 15M AND 20,000 LB WP VALVE REQUIREMENTS. THIS MODEL UTILIZES A BALL SCREW OPERATOR WHICH REDUCES THE NUMBER OF TURNS IN HALF AND THE OPERATING TORQUE IN HALF FROM THE ORIGINAL HANDWHEEL OPERATION. THE MODEL FM1 IS A SLAB GATE PROFILE SIMILAR TO THE ORIGINAL WKM MODEL M1, UTILIZING A LOWER BONNET AND BALANCE STEM. THE BALL SCREW IN THIS MODEL IS A USA MADE HEAVY DUTY BALL SCREW AS REQUIRED TO HANDLE THE EXTREME LOADS CREATED BY THE LARGE VALVE BORE AND PRESSURES. THIS MODEL GATE VALVE IS AVAILABLE IN THE STUDDED BODY STYLE.

MODEL FM1
7 1/16" 15,000 P.S.I. (HANDWHEEL OPERATED)
OPERATION: BI-DIRECTIONAL - SLAB GATE
TO OPEN AND CLOSE:
BACKOFF HANDWHEEL 1/4 TURN
(GATE SHOWN IN OPEN POSITION)

Model FM1 Studded Ball Screw (7 1/16" 15M) Gate Valve
Model FM1 Studded Ball Screw (7 1/16" 15M) Gate Valve Assembly Parts List
Model FM1 Studded Ball Screw (7 1/16" 15M) Gate Valve Specifications Diagram
Model FM1 Studded Ball Screw (7 1/16" 15M) Gate Valve Specifications

"WARNING: L7M/B7M STUDS CANNOT BE SUBSTITUTED FOR L7/B7 STUDS"

GATE VALVE MODELS, FULL BORE, THROUGH CONDUIT

ALL VALVEWORKS USA MODEL GATE VALVES UTILIZE THE MOST COMMON AND PROVEN INTERCHANGABLE VALVE PARTS IN THE INDUSTRY. THESE INCLUDE THE MODELS M AND FC. THIS ALLOWS THE USER EASY ACCESS TO REPLACEMENT PARTS AT THE MOST COMPETITIVE PRICES. ALL VALVEWORKS USA MODEL GATE VALVE REPLACEMENT PARTS ARE STANDARD STOCK PRODUCTS AVAILABLE FOR IMMEDIATE DELIVERY IN MOST CASES.VALVEWORKS USA MAKES AVAILABLE TO THE INDUSTRY MANY GATE VALVE REPLACEMENT PARTS WHICH ARE OUTSIDE THE VALVEWORKS GATE VALVE LINE. MANUFACTURING IS AVAILABLE FOR ANY PART REQUIRED VIA CUSTOMER REQUIREMENT.

VALVE TORQUE VALUES

DURING FIELD OPERATIONS

  • TO OPEN THE VALVE = 379.38 ft-lbs
  • TO CLOSE THE VALVE = 262.03 ft-lbs
  • RUNNING TORQUE = 76.24 ft-lbs

FOR NEW VALVE CONDITIONS

  • TO OPEN THE VALVE = 209.00 ft-lbs
  • TO CLOSE THE VALVE = 92.32 ft-lbs
  • RUNNING TORQUE = 35.57 ft-lbs

ACTUAL R&D TEST CONDITIONS AT FULL DIFFERENTIAL, 10,000LBS PSI UPSTREAM, ZERO DOWNSTREAM; TO OPEN THE VALVE = 140 ft-lbs.

ACTUAL R&D TEST CONDITIONS AT FULL DIFFERENTIAL, 10,000LBS PSI UPSTREAM, ZERO DOWNSTREAM; TO CLOSE THE VALVE = 30 ft-lbs.

For low temperature applications, we use Valveworks USA proprietary valve lubricant (SAM 4012B). It is black in appearance and has a service temperature range of -75°F to 250°F.

All dimensions in inches, weights in lbs. If dimensions/weights are critical, please consult factory. Valveworks USA reserves the right to alter designs and specifications without notice.

Last Updated: 11/04/2013