FRKH Flanged Ball Valve

Classification: high pressure ball valve

Max. Working Pressure: 250bar
Nominal Size:50～80mm
Working Temperature: -50℃～+250℃
Body Material: 304 Stainless steel

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Product description

Parameters Table

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Product details：

FRKH Stainless Steel Ball Valve (DN50~80 mm)

Applicable media: liquids compatible with valve material

Features
● High pressure rating and low operating torque
● Lap joint flange to facilitate easy connection
● DIN RF flange/DIN2638 (160 bar), DIN2628 (250 bar)
● DN65~80 mm/PN250 bar: ball valves with fixed ball; others are ball valves with floating ball

Application of Sealing Materials

Type	Material	Uses
Body Material	304 stainless steel	Intended for water, oils and slightly corrosive media; temperature: -196℃~+400℃
Ball Seat sealing material	POM	Mainly used for non-corrosive oils and water;temperature: -30℃~+100℃
Ball Seat sealing material	PEEK	Relatively good corrosion resistance; wide temperature range: -60℃~+250℃
O-ring Material	FPM	Good chemical adaptability; especially applicable to oils and most acids; temperature: -25℃~+200℃
O-ring Material	EPDM	Intended for ammonia, formaldehyde and ethylene glycol; mineral oil intolerant; temperature: -50℃~+130℃

Ordering Information

Ball Valve with Weld Mating Flange (DN50~80 mm)

Applicable media: liquids compatible with valve material

Technical Data
● Applicable media: liquids compatible with valve material
● Flange material: 304/316 stainless steel, 20# carbon steel
● Bolt and nut material: A2-70 stainless steel
● Flange seal: flexible graphite spiral wound gasket

Ordering Information

Parameters Table：

FRKH Stainless Steel Ball Valve (DN50~80 mm) Table of Technical Data [mm]

NominalPressure	Ordering Number	DN	A	L	W	D	d2	f	b	K	n	d	SW	C	M	TorqueNm(water)
160bar	FRKH-160-DN50-4425-RF	50	47	220	250	195	102	3	27	145	4	26	17	70	M8	140
	FRKH-160-DN65-4425-RF	65	60	290	390	218	122	3	31	170	8	26	19	70	M8	210
	FRKH-160-DN80-4425-RF	80	70	310	650	230	138	3	33	180	8	26	22	85	M10	350
250bar	FRKH-250-DN50-4425-RF	50	47	260	250	200	102	3	35	150	8	26	17	70	M8	168
	FRKH-250-DN65-4425-RF	65	60	320	390	230	122	3	39	180	8	26	19	70	M8	200
	FRKH-250-DN80-4425-RF	80	70	350	650	255	138	3	43	200	8	30	22	85	M10	350

Ball Valve with Weld Mating Flange (DN50~80 mm) Table of Technical Data [mm]

Nominal Pressure	Ordering Number	DN	*ds**	L
160bar	W-FRKH-160-DN50-4425-RF-60*5-SS	50	60*5	384
	W-FRKH-160-DN65-4425-RF-76*6-SS	65	76*6	458
	W-FRKH-160-DN80-4425-RF-89*7-SS	80	89*7	486
250bar	W-FRKH-250-DN50-4425-RF-60*7-SS	50	60*7	404
	W-FRKH-250-DN65-4425-RF-76*9-SS	65	76*9	534
	W-FRKH-250-DN80-4425-RF-101.6*11-SS	80	101.6*11	588