Marelon Ball Valves

MARELON BALL VALVES

FORESPAR’S® MF 850
Forespa® MF 850 series of Ball Valves are precision molded in high strength Marelon®. Their great strength, light weight, and complete freedom from corrosion and electrolysis make them the ideal valve for controlling inlet and outlet water requirements above and below the waterline.

Our engineers opened and closed one of our ¾” (19.05mm) valves 11,000 times, then submerged it in water with an air line pressurized to 40 p.s.i. connected to it. The result was an absolutely leak free condition with no evidence of wear on internal seals.

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

The temperature range of Marelon® is -40° F to +176° (-40°c to +80°c).

VALVE MAIINTENANCE:
All our valves are non-corrosive, but like any moving part in a marine environment, they required regular inspection and lubrication. Do not fail to actuate the handle and lubricate the seals on a regular schedule (water pump grease or even mineral oil will lubricate seals).

LIMITED WARRANTY

Forespar® accepts no responsibility for valve or thru-hull components which are improperly installed, tampered with or have inadequate access for service and maintenence.

Part No.	Model No.	Thread Size	Body Diameter	Body Length	Length w/Handle	Retail
905100	MF 850 ½” (12.70mm)	½” (12.70mm)	1-7/8” (47.62mm)	3” (76.20mm)	4” (101.60mm)	$36.25
905101	MF 850 ¾” (19.05mm)	¾” (19.05mm)	7-7/8” (47.62mm)	3” 76.20mm)	4” (101.60mm)	$41.85
905102	MF 850 1” (25.40mm)	1” (25.40mm)	2-3/4” (69.85mm)	4-3/4” (120.65mm)	5-1/2” (139.70mm)	$98.35
905103	MF 850 1” (25.04mm) - 1’4” (31.75mm)	1-1/4” (31.75mm)	2-3/4” (69.85mm)	4-7/8” (123.82mm)	5-3/4” (146.05mm)	$103.15
905104	MF 850 1” (25.40mm) - 1/2” (38.09mm)	1-1/2” (38.10mm)	3-1/2” (88.90mm)	5” (127.00mm)	7-1/2” (190.50mm)	$128.00
905105	MF 850 2” (50.08mm)	2” (50.08mm)	4-1/4” (107.95mm)	5-7/8” (149.22mm)	8” (203.20mm)	$160.00

MARELON “93” SERIES THREADED VALVES

These valves are designed to meet the needs of builders and owners who require the benefits of the Marelon® Integrated Plumbing System with “standard” female threads. These valves will work on Marelon®, bronze or stainless steel NPT threaded thru-hulls and are available with female/female (933332-8), strait tailpipe (933342-8) or 90o elbows (933352-8) already attached. All “93” series valves are full port (the I.D. of the ball is the same as the I.D of the barb).

Female Thread / Female Thread (A)			Female Thread / Straight Hose Barb (B)
Valve P/N	Size	Retail	Valve P/N	Size	Retail
933332	1/2" (12.70mm)	$66.80	933342	1/2" (12.70mm)	$66.95
933333	3/4" (19.05mm)	$72.15	933343	3/4" (19.05mm)	$72.25
933334	1" (25.40mm)	$120.90	933344	1" (25.40mm)	$120.90
933335	1-1/4" (31.75mm)	$127.90	933345	1-1/4" (31.75mm)	$127.90
933336	1-1/2" (38.10mm)	$165.10	933346	1-1/2" (38.10mm)	$164.75
933338	2" (50.80mm)	$206.50	933348	2" (50.80mm)	$206.20

Female Thread / 90-Degree Hose Barb (C)
Valve P/N	Size	Retail
933352	1/2" (12.70mm)	$66.80
933353	3/4" (19.05mm)	$72.25
933354	1" (25.40mm)	$120.90
933355	1-1/4" (31.75mm)	$127.90
933356	1-1/2" (38.10mm)	$164.75
933358	2" (50.80mm)	$206.30

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