Compared with ordinary ball valve, q71f Italian stainless steel ultra short ball valve has the advantages of light weight, short structure length, material saving and convenient installation. In addition, the valve seat adopts elastic sealing structure, easy to open and close, and reliable sealing. With fire-resistant structure, it can still operate reliably and has good sealing performance in case of fire.

1. Nominal pressure: 1.6-2.5mpa
2. Applicable temperature range: - 20 ~ 232 ℃ - 350 ℃
3. Applicable medium: water, oil, gas and some corrosive liquids (w.o.g)

Material of main parts of q71f Italian stainless steel ultra short ball valve

Serial number	Part name	texture of material
1	valve body	stainless steelCF8M/CF8	carbon steelWCB
2	The Ball	stainless steel316/304	stainless steelSS304
3	a seal	PolytetrafluoroethylenePTFE	PolytetrafluoroethylenePTFE
4	Stem	stainless steel316/304	stainless steelSS304
5	filler	PolytetrafluoroethylenePTFE	PolytetrafluoroethylenePTFE
6	Positioning lock	stainless steel304	stainless steelSS304
7	Handle		stainless steelSS304
8	Stem nut	stainless steel304	stainless steelSS304
9	Packing gland	stainless steel304	stainless steelSS304
10	Handle sleeve	Plastic	Plastic
11	Sealed cap	stainless steel316/304	stainless steel316/304
12	Washer	PolytetrafluoroethylenePTFE	PolytetrafluoroethylenePTFE

Main connection dimensions of q71f Italian stainless steel ultra short ball valve(mm)

SIZE	1/2″	3/4″	1″	11/4″	11/2″	2″	21/2″	3″	4″	5″	6″	8″
D	15	19	23.5	30	36	45	58	67	76	100	125	195
L	32	38.5	45	44	62	72	95	120	145	200	225	275
D	95	105	115	135	145	160	180	195	215	245	280	335
D1	65	75	85	100	110	125	145	160	180	210	240	295
D2	45	55	65	78	85	100	120	135	155	185	210	265
H	62	70	79	86	92	102	158	172	187	200	240	278
E	110	125	135	150	150	180	250	300	350	650	840	1000
B	14	14	16	16	18	20	22	24	24	26	26	28
z-d1	4-14	4-14	4-14	4-18	4-18	4-18	4-18	8-18	8-18	8-18	8-23	12-20
f	2	2	2	3	3	3	3	3	3	3	3	3