V Ball Control Valve

Working temperature: 5~95C
Pressure level: PN16 or PN25 optional
Working medium: air conditioning hot and cold water, ≤50% ethylene glycol solution
Connection method: flange connection
Connection standard: GB/T17241.6
Closing pressure difference: 400KPa

Flow characteristics: equal percentage characteristic curve
Leakage rate: control passage ≤0.01%Kvs
Adjustment method: angular stroke 90°
Valve body: ductile iron QT450-10
Valve seat: polytetrafluoroethylene (PTFE)
Valve ball: 304 stainless steel
Seal ring: EPDM

Ordering model	Product model	Valve type	DN	PN pressure	Kv value	Dimensions(mm)							Adapter driver
Ordering model	Product model	Valve type	DN	PN pressure	Kv value	L	H1	H2	D1	D2	N	SxS	Adapter driver
15702	DQF-F-265A	2 way	65	16	103	190	67	86	185	145	4×∅l8	10×10	DQQ-E2M-15
15703	DQF-F-280A	2 way	80	16	185	203	90	94	200	160	8×∅l8	10×10	DQQ-E2M-15
15704	DQF-F-2100A	2 way	100	16	300	229	99	103	220	180	8×∅18	12×12	DQQ-E2M-20
15705	DQF-F-2125A	2 way	125	16	480	245	114	117	250	210	8×∅l8	12×12	DQQ-E2M-30
15706	DQF-F-2150A	2 way	150	16	600	250	138	130	285	240	8×∅22	12×12	DQQ-E2M-30
15707	DQF-F-2200A	2 way	200	16	916	300	166	163	340	295	12×∅22	17×17	DQQ-E2M-50
15708	DQF-F-2250A	2 way	250	16	1250	330	197	203	405	355	l2×∅28	17×17	DQQ-E2M-50
15697	DQF-F-265	2 way	65	25	103	190	67	86	185	145	4×∅18	10×10	DQQ-E2M-15
15698	DQF-F-280	2 way	80	25	185	203	90	94	200	160	8×∅18	10×10	DQQ-E2M-15
15699	DQF-F-2100	2 way	100	25	300	229	99	103	235	190	8×∅l8	12×12	DQQ-E2M-20
15700	DQF-F-2125	2 way	125	25	480	245	114	117	270	220	8×∅18	12×12	DQQ-E2M-30
15701	DQF-F-2150	2 way	150	25	600	250	138	130	300	250	8×∅22	12×12	DQQ-E2M-30
Note: KV unit is m/h, PN unit is bar.

Product features

●Unique conical water inlet design to achieve precise equal percentage flow control characteristics.
●Simple flow channel design, not easy to clog, safer and more reliable to use.
●High flow capacity, low resistance loss.
●Ultra-quiet flow channel design to ensure a quiet environment.
●High shut-off pressure, high pressure rating.
●Equipped with manual switch and opening indicator.
●Equipped with pressure sensor interface.
●Equipped with temperature sensor interface M10x1.

FAQ

1. What is the working principle of the V ball control valve?
The V-type ball control valve uses a ball with a V-shaped cutout to adjust the fluid flow by rotating the ball. When the ball rotates, the change in the area of the V-shaped cutout can accurately control the amount of fluid passing through.

2. What is the main difference between the V-type ball control valve and other control valves?
The V-type ball control valve has better flow characteristics and fast response capabilities, and it can provide more precise flow control compared to traditional gate valves and stop valves.

3. How to choose a suitable V ball control valve?
When choosing, factors such as media type, working pressure, temperature, flow requirements, and installation space should be considered.

4. Under what circumstances is it not recommended to use a V-type ball control valve?
For high-viscosity fluids or media with more solid particles, the V-type ball control valve may not be suitable because it will affect the valve's switching performance and flow control.

5. What are the key points for the maintenance of the V-type ball control valve?
Regularly check the wear of the seals, keep the valve body and joints clean, and lubricate and replace parts when necessary.

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