ANSI Carbon Steel Wcb Flange Y Strainers

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DIMENSIONS(mm)
DN	L	D	D1	D2	b	Z- Φd	f	H	KG
15	130	95	65	45	14	4-14	2	76	2.33
20	150	105	75	58	16	4-14	2	83	3
25	160	115	85	68	16	4-14	2	91	4
32	180	140	100	78	18	4-18	2	111	6
40	200	150	110	88	18	4-18	3	118	7
50	230	165	125	102	20	4-18	3	178	11.8
65	290	185	145	122	20	4-18	3	211	16.45
80	310	200	160	138	22	8-18	3	202	19
100	350	220	180	158	24	8-18	3	226	24.9
125	400	250	210	188	26	8-18	3	264	35.6
150	480	285	240	212	26	8-23	3	309	51.9
200	600	340	295	268	30	12-23	3	410	92.3
250	730	405	355	320	32	12-27	3	444	142

ANSI B16.34 FLANGED GLOBE VALVE

FULL PORT INVESTMENT CASTING MATERIAL: SS304 / SS316

Flange Standard: ANSI B 16.5

Face to Face: ANSI 16.10

Check and Test: API 6D or API 598

Manufacture in accordance with BS 1873 / ANSI 16.34

AVAILABLE SIZE: 1/2"-12" (DN15-DN300)

WORKING PRESSURE: Class 150 Lbs

WORKING TEMPERATURE: -20°F---400°F (-29°C- 200°C)

SUITABLE MEDIUM: WATER, GAS, OIL, NITRIC ACID, ACETIC ACID etc

Flanged or Butt Welding End

Butt-Welding End Dimensions to ANSI B 16.25

Q: Valve flange drawing n- up to what: A bolt hole used to indicate a flangeThe value of N indicates the number of bolt holesUp to the numerical representation of bolt hole size

Q: Z41T one 10 gate valve and Z44T one, 10 gate valve difference: Z41T one, 10 is single gate, Z44T one, 10 is double gateAccording to the provisions of the JB/T 308-2004 valve type programming method:Z== gate valve4== connection: flange type1== structure: Rigid single gate4== structure: Rigid double gateT== sealing surface material: copper alloy10== pressure rating: 1.0MPa

Q: Why? God, can you explain to me in detail why?: Check valve in the valve in front. To prevent water from flowing back.

Q: What are the structural differences between parallel and wedge valves?: The double gate is pushed aside so that the sealing surface of the valve gate is tightly sealed with the valve body. These double gate parallel gates are mostly used on low pressure pipelines such as small pipelines. Parallel gate valves are also available with single gates, but are rare.That the sealing surface has a certain angle with the vertical center line, bearing higher medium temperature valve, angle the greater the possibility to reduce the temperature when wedged gate rice.Wedge gate valve single, double all.

Q: What is the difference between gate valve Z41T and Z45T?: Z41T is a dark pole gate valve, and Z45T is a plain rod gate valve,

Q: What is the difference between gate valve and gate valve? Is it the same valve?: Gate valve and gate valve are 2 kinds of valves, do not feel like a long name is the same kind, please look at Baidu maps introduced manufacturers.

Q: Notes on flat gate valves: internal structureThe 1 seat O ring seal and preload floating seat structure, so that import and export of two-way valve seal plate; and the structure of the normal valve opening and closing torque only 1/2, can easily open and close valves2. when fully open, the channel is smooth and straight, the flow resistance coefficient is extremely small, and there is no pressure loss. The pipeline can be cleaned through the hair bulb3 the packing structure with the ability of self sealing, without frequent adjustment, opening and closing very lightweight, and reliable seal, the stuffing box is arranged at the auxiliary seal oil into the structure, absolutely reliable sealing performance, thereby achieving zero leakage; solve the shortcomings of the general valve packing leakage of the most vulnerable4., when the flat gate valve is closed, it can automatically unload the inner cavity high pressure, and ensure the safe use5., fully enclosed structure, good protection performance, can adapt to all-weather requirements6., the valve seat sealing structure should be elastic, preload, upper and lower sealing seat at the same time sealed structure. The valve seat and the seal are always face to face sealed.The 7. seat has self-cleaning function and is free of direct airflow during valve opening or closing. The seat shall be made of lubricated, non wearing material.8. valve actuator failure will not affect the other parts of the valve, maintenance and replacement work can be carried out without removing the valve.9. yoke sleeve aluminum bronze yoke sleeve with pin type thrust bearing to minimize operation torque.10. stem - thread length until bracket; dowel and spot welding; stability.11. pressure seal - simple construction, with sectional retaining rings and silver plated low carbon steel gaskets, helps to remove and achieve the best bonnet seal.12. seat ring - welded seat ring is perpendicular to the flow channel and is easy to maintain.

Q: What are the differences between the gate valve and the cut-off valve?: Is the gate valve opening and closing parts, RAM direction of motion perpendicular to the direction of the fluid, valve can only be fully open and fully closed, is not suitable for regulation and throttle. The gate has two sealing surfaces. The two sealing surfaces of the most commonly used wedge gate valves form a wedge. The wedge angle varies with valve parameters, usually 5o. Wedge gate valve can be made into a whole, called the rigid gate; can also be made to produce micro deformation of ram, in order to improve its process of deviation, make up the sealing surface angle in the process, the gate is called the flexible gate. Valve closed, the sealing surface can only rely on medium pressure to seal, that is to rely on medium pressure to the gate sealing surface pressure to the other side of the seat to ensure the sealing surface seal, which is self sealing. Most of the valve is forced seal, that is, when the valve closes, to rely on external force to force the gate to the seat, in order to ensure the sealing surface sealing.A stop valve is a valve that closes the valve and moves along the center line of the valve seat. According to this form of valve movement, the valve seat opening change is proportional to the valve stroke. Because of the valve stem to open or close the trip is relatively short, but very reliable cut off function, and because changes in the valve seat and the valve stroke is proportional, is very suitable for flow regulation. As a result, this type of valve is ideal for use as a shut-off or regulator and throttling

Q: What are the standards for the execution of cast iron dark pole gate valves?: Four, summary:1, cast iron gate valve is mainly used as a connection and cut off the role of medium. The opening and closing parts of the valve are ram, and the direction of movement of the gate is perpendicular to the direction of flow of the medium. Cast iron gate valve with ductile iron as the main material, the weight is very light, only about 20%~30% of the traditional gate valve;2, cast iron hidden rod gate valve belongs to the class of products, but also the successor to the traditional gate valve, the use of gate generated by the deformation of the compensation role, so that the valve to achieve good sealing effect. Cast iron dark rod valve with open and close the advantages of convenient, reliable sealing, good elastic memory, long service life, can be widely used in metallurgy, electricity, sewage, medicine, construction, food, textile, tap water, energy and other pipeline regulation and closure devices as.

Q: The legend of gate valve and stop valve: When the valve is installed, the medium can enter from the bottom of the valve core and enter the two way from the top. Medium from the spool into the advantages of the valve closed when the packing is not under pressure, can extend the service life of the packing, and can be pressure in front of the valve in the case of replacement of packing work. Medium from the spool into the bottom of the shortcomings of the valve driving torque is larger, about 1.05~1.08 times above the entrance, the stem by the axial force of large, easy to bend the stem. To this end, the media from below to enter the way, generally only applicable to small caliber manual stop valve, to the valve closed, the media acting on the spool of force is not greater than 350kg limit. Electric cut-off valve is generally used to enter the media from the top way. The disadvantage of the medium entering from the top is just the opposite of the way it is entered below.Compared with the gate valve, the utility model has the advantages of simple structure, good sealing performance, and convenient manufacture and maintenance. The disadvantage is that the liquid resistance is large, and the opening and closing force is large. Gate and globe valves are fully open closed type valve, cut off or connected as the medium use, not as a control valve.The range of application of stop valves and gate valves is determined by their characteristics. In the smaller passages, the cut-off valve is used when required for better shutoff; in the steam pipe and the large diameter water supply pipe, the gate valve is generally used because of less fluid resistance.

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