Gate valves of the type ZD 65(80,100)x21(35) and ZDSH 65(80)x21(35)

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Gate valves of the type ZD 65(80,100)x21(35) and ZDSH 65(80)x21(35)

TMC Group Managing Company LLC manufactures and supplies Gate valves of the type ZD 65(80,100)x21(35) and ZDSH 65(80)x21(35).

Details

Purpose

ZD 65×21 steel gate valve with a disk slide (full-load) is designed for operation as a locking device on wellhead equipment and pipelines transporting liquid and gaseous media, oil, and service water. The steel gate valve with a disc slide, choke type ZDSh 65×21 (with quick-change choke), is designed to operate as a locking device and ensure stepwise control of fluid flow in wellhead equipment and pipelines transporting liquid and gaseous media, oil, and service water with CO2 and H2 S volume content up to 6% and operating medium temperature not more than + 248 °F. ZDSh 65×21 gate valve chokes are replaced by one operator when the gate valve is closed without pressure release from pipelines for not more than 5 min.

Characteristics

Technical specifications

1	Working pressure	MPa	21
2	Nominal diameter	mm	65
3	Nominal bore of connecting pipelines	mm	65
4	Nominal diameter of quick change metal ceramic choke valves (for ZDSH gate valve)	mm	2, 3, 4. 5, 6, 7, 8, 10, 10, 12
5	Working medium		Industrial water, oil, gas
6	Working medium temperature	°С	No more than 120
7	Valve sealing class per GOST R 54808		А
8	Medium feed direction		any
9	Type of gate valve flange connections		Per RD 26-16-40-89, GOST 28919-91
10	Resistance to impact of well medium per GOST 13846-89		К1
11	Working medium temperature, no more than	°С	120
12	Limit values of surrounding air working temperatures	°С	From – 60 to +40
13	Overall dimensions: - Length - Width - Height (without Handle) - Flange diameter	mm	351 250 270 195
14	Reliability indicators, no more than: - Full service life - Full average life time - Time between failures - Average service life before overhaul	years cycles cycles years	15 1800 600 5
15	Mass	kg	53

Structure of designation for products when placing orders: X1 X2 X3 X4 X5 – X6/X7 x X8 X9 X10 X11 X12 – X13

Х1	2 – Piping and fittings for dual completion (2 tubing strings); 3 – Piping and fittings for dual completion (3 tubing strings);
Х2	AF – Flowing wellhead equipment; AN – Injection tree; ASH – Sucker rod pump piping and fittings; AVS – Water supply well piping and fittings.
Х3	K – Well piping hanger in the casing head sub; - for other options no index is specified.
Х4	- designation of generic (typical) scheme per GOST 13864; - no index is specified if the scheme does not correspond to GOST 13864.
Х5	SH – (for ANK, AFK) – on the side branch of the tree, a choke valve is installed; E – (for ASHK) – availability of cable input; - for other options no index is specified.
Х6/X7	- Nominal bore of wellbore/outlet of Xmas tree, mm
Х8	- Rated pressure, MPa (in case test pressure, section by section of the piping and fittings, is different, the rated pressure may be recorded as a fraction).
Х9	- Resistance to impact of well medium per GOST 13864: K1 – for oil with volume content of CO2 of up to 6%; K2 – for oil with volume content of CO2 and H2S of up to 6%; K3 – for oil with volume content of CO2 and H2S of up to 25%;
Х10	GM (for ASHK), M, M1 (for ANK, ANKSH) – small size; M2 – Coupling type attachment of piping and fittings (3-flange cross with threads); M3 – Coupling type attachment of piping and fittings (4 flange cross with ring joint); МM4 – flange attachment of piping and fittings (4 flange cross for installation on column head);
Х11	- Execution option; - For basic option no index is specified.
Х12	KU – mouth kit (manifold or pipework available); - When unavailable, no index is specified.
Х13	R – flow rate meter available; D – dosing unit available for feed of chemical agent into the annulus space of the well (for piping and fittings of ASHK).