In heating, ventilation and air conditioning (HVAC) systems, the Y-type stop valve is one of the most common and widely used control valves, mainly used to regulate and cut off fluid media such as water, coolant, steam, etc. in the system. It not only has the excellent sealing performance of traditional stop valves, but also significantly reduces the resistance of fluid passage due to its unique Y-type design. This design can effectively reduce pressure drop and improve the overall efficiency of the system, making it particularly superior in various occasions that require precise fluid control. Whether under high temperature and high pressure conditions or in systems that run for a long time, the Y-type stop valve can provide stable and reliable operation. It is widely used in HVAC systems in industrial, commercial and residential fields, providing a strong guarantee for the safety and performance of the system.

Y Pattern Globe Valve

●Valve core: stainless steel 06Cr19Ni10 (two-way), HPb59-1 (three-way)
●Valve stem seal: four-layer V-type and O-type combined nitrile rubber seal, polytetrafluoroethylene sealing sleeve
●Valve stem: stainless steel 06Cr19Ni10
●Valve body, valve cover material: HT250
●Nominal pressure (PN): 1.6MPa
●Working medium: water, fluid temperature 5~95℃
●Valve leakage: ≤0.03%KV
●Flange standard: GB/T 17241.6 PN16

Order code	Product Model	Valve type	DN	Connection	Bolt size	Kv value	Stroke	Dimensions					Maximum closing pressure difference [kPa]
Order code	Product Model	Valve type	DN	Connection	Bolt size	Kv value	Stroke	L	d	D	H	H1	Maximum closing pressure difference [kPa]
12664	DDF-S-J-232	2 way	32	Flange	4×M16	21	20	180	∅100	∅135	125	108	600	---------	---------
12665	DDF-S-J-240	2 way	40	Flange	4×M16	28	20	200	∅l10	∅145	128	119	500	---------	---------
12483	DDF-S-J-250	2 way	50	Flange	4×M16	34	20	230	∅125	∅165	128	135	350	---------	---------
12484	DDF-S-J-265	2 way	65	Flange	4×M16	54	20	290	∅145	∅185	140	165	250	---------	---------
12485	DDF-S-J-280	2 way	80	Flange	8×M16	67	20	310	∅160	∅200	147	180	200	---------	---------
12486	DDF-S-J-2100	2 way	100	Flange	8×M16	120	40	350	∅180	∅220	191	200	---------	300	500
12487	DDF-S-J-2125	2 way	125	Flange	8×M16	180	40	400	∅210	∅250	205	230	---------	200	350
12488	DDF-S-J-2150	2 way	150	Flange	8×M20	256	40	480	∅240	∅285	221	270	---------	150	200
12666	DDF-S-J-2200	2 way	200	Flange	12×M20	330	40	600	∅295	∅340	254	329	---------	---------	150
12667	DDF-S-J-332	3 way	32	Flange	4xM16	21	20	180	∅100	∅135	125	90	600	---------	---------
12668	DDF-S-J-340	3 way	40	Flange	4×M16	28	20	200	∅l10	∅145	128	100	500	---------	---------
12489	DDF-S-J-350	3 way	50	Flange	4×M16	34	20	230	∅l25	∅165	128	115	250	---------	---------
12490	DDF-S-J-365	3 way	65	Flange	4×M16	54	20	290	∅145	∅185	140	145	200	---------	---------
12491	DDF-S-J-380	3 way	80	Flange	8×M16	67	20	310	∅160	∅200	147	155	150	---------	---------
12492	DDF-S-J-3100	3 way	100	Flange	8×M16	120	40	350	∅180	∅220	191	175	---------	250	350
12493	DDF-S-J-3125	3 way	125	Flange	8×M16	180	40	400	∅210	∅250	205	200	---------	200	250
12494	DDF-S-J-3150	3 way	150	Flange	8×M20	256	40	480	∅240	∅285	221	240	---------	---------	200
12669	DDF-S-J-3200	3 way	200	Flange	12×M20	330	40	600	∅295	∅340	254	300	---------	---------	150

Materials of Metric Roller Chain Sprocket

The raw material of the Metric Roller Chain Sprocket should ensure that the gear teeth have sufficient strength and wear resistance.Carbon steel,alloy steel,etc.are commonly used materials.

Forged steel:This material(generally with a carbon content of 0.15-1.6%)has good toughness and impact resistance,and can be heat-treated or chemically treated to improve its performance.This method can improve the hardness of the tooth surface, making it more suitable for gear transmission of heavy-duty and precision machines. For example,if small sprocket teeth participate in meshing many times and are prone to wear,you can choose high tooth surface hardness

Cast steel:Cast steel has excellent mechanical strength and hardness.It can be annealed,normalized,etc.,and is generally used to make larger gears.At the same time,its good corrosion resistance makes it suitable for use in different environments

cast iron:Gray cast iron is relatively brittle and not impact-resistant,but its chemical composition is stable,so it resists gluing,and pitting corrosion,and is not easily deformed.Chain sprockets made of this material are generally used in applications with low speed and low power

FAQ

1. How does the Y pattern globe valve reduce fluid resistance?
The valve body of the Y-type stop valve is designed at an inclined angle (usually 45°), which makes the flow path smoother when the fluid passes through, reduces the sharp turn of the fluid in the valve, and thus reduces turbulence and pressure drop.

2. Can the Y-type stop valve be used to adjust the flow?
Yes, the Y-type stop valve can not only be used to open and close the fluid, but also to control the flow by adjusting the position of the valve disc. However, its main use is still the opening and closing control of the fluid, rather than precise flow regulation.

3. What is the service life of the 2 way globe control valve?
Because the valve disc and valve seat of the Y type stop valve are less worn, especially when used in situations with faster flow rates, its design can reduce turbulence and scouring inside the valve, so it usually has a longer service life than the straight-through stop valve.

4. What operating temperature and pressure ranges are suitable for the Y pattern globe valve?
Y-type stop valve can be made of different materials and is suitable for a range from low temperature to high temperature. Common stainless steel or alloy steel Y-type stop valves are suitable for high temperature (up to 400°C) and high pressure (6.4 MPa or above) working conditions.

5. How is the sealing performance of the Y-type stop valve?

This stop valve has good sealing performance, especially for working conditions that require complete fluid cutoff. It ensures no leakage by close contact between the valve disc and the sealing surface of the valve seat.

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