Hard-Seal Weld Fitting for Critical Applications (-196℃～+500℃)

WV elbow, TV tee

Features
Metal-to-metal seal fittings are suitable for high-temperature, cryogenic, and applications where rubber or other non-metallic seals are not permitted. The spherical seal design ensures high reliability, low installation requirements, and extended service life.

Technical Data
● Fitting material: 304 stainless steel(-SS)，316L(-SL)
● Ball material: Stainless Steel 304
● Operating temperature:-196℃～+450℃(304 SS)，-196℃～+500℃(316L SL)
● Max. working pressure: Refer to table below. Note: Pressure rating decreases with increasing temperature (see Technical Data: Valve Material Properties page).

Product Details
概要描述
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Commodity name: Hard-Seal Weld Fitting for Critical Applications (-196℃～+500℃)
Commodity ID: EG01960
小标题: WV elbow, TV tee

○ Interface type: Welded ○ Specification: 6–42 mm ○ Joint material: Stainless steel 304

Table of Technical Data [mm]

Series	Weld Elbow WV	Weld Tee TV	AD	S	L	Max. Working Pressure [bar]
Light Series L	K-WV-L06*1.5-SS	K-TV-L06*1.5-SS	6	1.5	44.0	400
	K-WV-L08*1.5-SS	K-TV-L08*1.5-SS	8	1.5	46.0	400
	K-WV-L10*2.0-SS	K-TV-L10*2.0-SS	10	2.0	47.5	350
	K-WV-L12*2.0-SS	K-TV-L12*2.0-SS	12	2.0	50.0	315
	K-WV-L15*2.0-SS	K-TV-L15*2.0-SS	15	2.0	58.0	300
	K-WV-L18*2.0-SS	K-TV-L18*2.0-SS	18	2.0	62.0	250
	K-WV-L22*2.5-SS	K-TV-L22*2.5-SS	22	2.5	67.0	250
	K-WV-L28*3.0-SS	K-TV-L28*3.0-SS	28	3.0	73.5	250
	K-WV-L35*4.0-SS	K-TV-L35*4.0-SS	35	4.0	83.5	250
	K-WV-L42*5.0-SS	K-TV-L42*5.0-SS	42	5.0	89.0	250
Heavy Series S	K-WV-S16*3.0-SS	K-TV-S16*3.0-SS	16	3.0	65.0	400
	K-WV-S20*3.0-SS	K-TV-S20*3.0-SS	20	3.0	72.0	315
	K-WV-S25*4.0-SS	K-TV-S25*4.0-SS	25	4.0	82.0	350
	K-WV-S30*4.0-SS	K-TV-S30*4.0-SS	30	4.0	91.5	300
	K-WV-S38*5.0-SS	K-TV-S38*5.0-SS	38	5.0	103.0	300

Features
Metal-to-metal seal fittings are suitable for high-temperature, cryogenic, and applications where rubber or other non-metallic seals are not permitted. The spherical seal design ensures high reliability, low installation requirements, and extended service life.
Technical Data
● Fitting material: 304 stainless steel(-SS)，316L(-SL)
● Ball material: Stainless Steel 304
● Operating temperature:-196℃～+450℃(304 SS)，-196℃～+500℃(316L SL)
● Max. working pressure: Refer to table below. Note: Pressure rating decreases with increasing temperature (see Technical Data: Valve Material Properties page).

Table of Technical Data [mm]

Series	Weld Elbow WV	Weld Tee TV	AD	S	L	Max. Working Pressure [bar]
Light Series L	K-WV-L06*1.5-SS	K-TV-L06*1.5-SS	6	1.5	44.0	400
	K-WV-L08*1.5-SS	K-TV-L08*1.5-SS	8	1.5	46.0	400
	K-WV-L10*2.0-SS	K-TV-L10*2.0-SS	10	2.0	47.5	350
	K-WV-L12*2.0-SS	K-TV-L12*2.0-SS	12	2.0	50.0	315
	K-WV-L15*2.0-SS	K-TV-L15*2.0-SS	15	2.0	58.0	300
	K-WV-L18*2.0-SS	K-TV-L18*2.0-SS	18	2.0	62.0	250
	K-WV-L22*2.5-SS	K-TV-L22*2.5-SS	22	2.5	67.0	250
	K-WV-L28*3.0-SS	K-TV-L28*3.0-SS	28	3.0	73.5	250
	K-WV-L35*4.0-SS	K-TV-L35*4.0-SS	35	4.0	83.5	250
	K-WV-L42*5.0-SS	K-TV-L42*5.0-SS	42	5.0	89.0	250
Heavy Series S	K-WV-S16*3.0-SS	K-TV-S16*3.0-SS	16	3.0	65.0	400
	K-WV-S20*3.0-SS	K-TV-S20*3.0-SS	20	3.0	72.0	315
	K-WV-S25*4.0-SS	K-TV-S25*4.0-SS	25	4.0	82.0	350
	K-WV-S30*4.0-SS	K-TV-S30*4.0-SS	30	4.0	91.5	300
	K-WV-S38*5.0-SS	K-TV-S38*5.0-SS	38	5.0	103.0	300