Ball Valves

illustration ball valve

FORESPAR’S® MF 850

Forespar® MF 850 series of Ball Valves are precision molded in high strength glass-reinforced Marelon®. Great strength, light weight, easy installation and maintenance as well as freedom from corrosion and electrolysis creates the ideal valve for controlling inlet and outlet water flow above and below the waterline.

Stringent testing makes MF850 valves meet or exceed industry standards, allowing you to rely on our high quality. For instance, our engineers opened and closed a ¾” (19.05mm) valves 11,000 times, then submerged it connected to an air line pressurized to 40 p.s.i.. The result was an absolutely leak free valve with no evidence of wear on internal seals.

All valves sold throughout the U.S.A. have standard NPSM type threads. If specified, B.S.P. threads are available on valves sold outside of North America.

And, the operating temperature range of Marelon® is -40° F to +176°   (-40°c to +80°c), making the valves reliable in every climate and season.  

 

Zero corrosion, zero electrolysis, light weight, strong marine grade

 

The temperature range of Marelon is: -40F to +176F or -40C to +80C

 

All Marelon products are carbon fiber reinforced

 

All 93 series valves are U.L. approved and ISO certified

 

Port Sizes

 

93 Series

1/2" (12.7mm) = .462" (11.73mm)

3/4" (19.05mm) = .52" (13.2mm)

1" (25.4mm) = .79" (20.06mm)

1-1/4" (31.75mm) = 1.05" (26.67mm)

1-1/2" (38.1mm) = 1.25" (31.75mm)

2" (50.8mm) = 1.54" (39.11mm)

 

849 & 850 Series

1/2" = 5/8"

3/4" = 5/8"

1" = 15/16"

1-1/4" = 15/16"

1-1/2" = 1-5/16"

2" = 1-13/16"

 

 

 

Qty

Part No

Product

Price

905100

MF 850 PTFE Ball Valve .5"

$46.45

905006-cs-tailpipe-marine-boat-plumbing.jpg
SKU:905006

CF 252 .5" Tailpipe

905101

MF 850 PTFE Ball Valve .75"

$53.45

905102

MF 850 PTFE Ball Valve 1"

$124.45

906000-cs-thru-hull-connector-marine-boat-plumbing.jpg
SKU:906004

CF 250 1" Thru-Hull

906010-thru-hull-marine-boat-plumbing.jpg
SKU:906014

CF 251 1" Thru-Hull

905006-cs-tailpipe-marine-boat-plumbing.jpg
SKU:905008

CF 252 1" Tailpipe

905103

MF 850 S PTFE Ball Valve 1.25"

$130.45

905104

MF 850 PTFE Ball Valve 1.5"

$161.95

905105

MF 850 PTFE Ball Valve 2"

$201.95

933332

FP-SB-FP .5"

$90.45

933333

FP-SB-FP .75"

$97.95

933334

FP-SB-FP 1"

$163.45

933335

FP-SB-FP 1.25"

$172.95

933336

FP-SB-FP 1.5"

$222.95

933338

FP-SB-FP 2"

$278.95

906010-thru-hull-marine-boat-plumbing.jpg
SKU:906020

CF 251 2" Thru-Hull

905006-cs-tailpipe-marine-boat-plumbing.jpg
SKU:905011

CF 252 2" Tailpipe

933342

FP-SB-SH .5"

$90.95

933343

FP-SB-SH .75"

$97.95

933344

FP-SB-SH 1"

$163.45

933345

FP-SB-SH 1.25"

$172.95

933346

FP-SB-SH 1.5"

$221.95

933348

FP-SB-SH 2"

$277.95

906010-thru-hull-marine-boat-plumbing.jpg
SKU:906020

CF 251 2" Thru-Hull

933352

FP-SB-NH .5"

$90.45

933353

FP-SB-NH .75"

$97.95

933354

FP-SB-NH 1"

$163.45

933355

FP-SB-NH 1.25"

$172.95

933356

FP-SB-NH 1.5"

$221.95

933358

FP-SB-NH 2"

$277.95

906010-thru-hull-marine-boat-plumbing.jpg
SKU:906020

CF 251 2" Thru-Hull

MARELON “93” SERIES THREADED VALVES

The 93 Series valves are designed and engineered for builders, boat yards and owners who require the benefits of the high-strength glass reinforced Marelon® Integrated Plumbing System with “standard” female threads. These valves will work on and integrate with Marelon®, bronze or stainless steel NPT threaded thru-hulls and are available with female/female (Forespar Part# 933332-8), straight tailpipe (933342-8) or 90° elbows (933352-8) already attached. All “93” series valves are full port (the Inside Diameter of the ball is the same as the I.D of the barb).

93 Series Chart - OEM Sales Only

ball valve threaded
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