products

200 series

Nominal diameter：50～300（2″～ 12″）
Nominal pressure：1.0/1.6Mpa
Applicable Temperature：-35℃～135℃
Drive mode：Hand lever、gear box、electric、pneumatic
Applicable medium：freshwater、sea water、food、natual gas、alcoholic、salt、acid、alkali、oil、steam、air etc.

Ref. price

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Product detail

	1、the seal of upper stem is adopted bidirectional metal structure seal ring, which solve the possibility that the medium come into the stem hole.
	2、The axial-direction setting device of stem is the structure with two gaskets and a pair of lock ring.
	3、The stem's hole adopts no- bush structure, and the hole is used chemical antiseptic treatment.
	4、The without pin connection of disc and stem are designed according to 220D structure, assuring the automatic centering function of the disc.
	5、In order to reducing the open-close torque, the sealing surface of seat adopts narrow band structure.
	6、Simple structures, good interchangeability, and the cost are the lowest in without pin butterfly valve.

External Parameters of 200D Series Butterfly Valve Unit:mm

Specification DN		H1	H2	H3	D1	D2	Φ 1	Φ 2	Φ 3	Φ 4	n- Φ 5	L1	M	Total Weight (Kg)
(mm)	(inch)	H1	H2	H3	D1	D2	Φ 1	Φ 2	Φ 3	Φ 4	n- Φ 5	L1	M	Total Weight (Kg)
50	2 〃	70	130	30	120	95	12.55	50	65	7	4- Φ 23	42	M6	2.1
65	2.5 〃	76	143	30	136.2	109	12.55	50	65	7	4- Φ 26.5	45	M6	2.4
80	3 〃	89	155	30	160	124	12.55	50	65	7	8- Φ 18	45	M6	2.6
100	4 〃	104	170	30	185	155	15.73	70	90	10	4- Φ 24.5	52	M8	4.5
125	5 〃	120	190	30	215	183	18.90	70	90	10	4- Φ 23	55	M8	6.8
150	6 〃	132	210	30	238	212	18.90	70	90	10	4- Φ 25	56	M8	8.3
200	8 〃	167	243	39	295	263	22.08	102	125	12	8- Φ 25	61	M10	13
250	10 〃	202	282	39	357	324	28.43	102	125	12	4- Φ 29	66	M10	18.8
300	12 〃	239	310	39	407	375	31.60	125	150	14	4- Φ 29	77	M12	29