Q21F

Q21F threaded ball valve, which is a sphere with a circular channel for opening and closing parts, ball rotation with the stem of the valve opening and closing movement, opening and closing parts is a hole in the sphere around the rotation axis perpendicular to the channel, so as to achieve the purpose of opening and closing the channel.
Note: parameters are for reference only, or are not full. Valve can be used in accordance with the requirements of different pressure, material, caliber. Specific please contact or online advisory contact.

Part name	valve body	Sphere, stem	Handle	Seal ring	Gasket, packing
Q21F-16C、Q21F-25C、Q21F-40C、Q21F-64C	A105、45	1Cr18/1Cr18Ni9Ti	Stainless steelSS304	ptfe Para poly PPL	ptfe Para poly PPL
Q21F-16P、Q21F-25P、Q21F-40P、Q21F-64P	1Cr18Ni9Ti	SS304/1Cr18Ni9Ti
Q21F-16R、Q21F-25R、Q21F-40R、Q21F-64R	SS316/Cr18Ni12Mo2Ti	SS316/Cr18Ni12Mo2Ti

Application standard nominal pressure: 1.6-6.4MPa
Applicable temperature range: 2-20~232 C ~350 C
Applicable medium: water, oil, gas, and some corrosive liquids (W.O.G)

Nominal diameter	size（mm）
	d	L	L1	M	Lo	Q61Total length of welding head
6	8	85	15	20×1.5	110	166
10	10	85	16	24×1.5	110	166
15	10	85	18	30×2	110	172
20	13	90	18	36×2	110	187
25	17	100	20	42×2	110	227
32	22	120	20	52×2	150	235
40	25	135	25	60×3	150	255
50	32	140	25	72×3	150	291