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Globe Valve

Design

NU-TECH cast steel globe valves are designed and manufactured to provide maximum service life and dependability. All gate valves are full ported and meet the design requirements of American Petroleum Institute standard API600 & 6D BS EN 13709 and generally, Conform to American Society of Mechanical Engineers standard ASME B1634. Valves are available in a complete range of body/bonnet materials and trims.

Available Modifications For NU-Tech Cast Globe Valves

  • Trim Changes
  • End Connection Modifications
  • Packing and Gasket Change
  • Operator Mounting
  • Handwheel Extensions
  • Pressure Equalizing
  • By-Pass
  • Customer Specified Coatings
  • Weld End Bore Changes
  • Oxygen & Chlorine Clearing & Packaging

Operation

Large hand wheels for easy operation. also available with gearing motor actuators, pneumatic or hydraulic actuators for more difficult services.

Live Load Packing

In services requiring frequent cycling or with high pressure/temperature variations, live loading extends the service life between maintenance periods by requiring less statements. Belleville springs are employed to provide constant packing gland stress.

Yoke Sleeve

Furnished in aluminum bronze to reduce operating torque. Most size furnished with ball bearing yoke sleeves.

Lantern Ring & Double Packing Set

Lantern ring leak-off frtting connection & double packing stack is optionally available for critical services.

Seat Rings

Separate heavy duty, full ported rings for easy maintenance. Screwed or welded connection into body.

Range Of Materials

Standard body/bonnet materials include nine grades of carbon, low alloy & stainless steels. For special applications they can be supplied in other grades of alloy& stainless steeL Threre's a full range of trim materials to match any service optional packing & gasket materials are available for a full range of service conditions.

OS & Y

Outside screw and yoke. Cast steel gate valve yoke integral with bonnet for 1O& smalL

BB

Bolted bonnet Welding bonnet and pressure seal bonnet in services requiring frequent cycling or with high pressure/tempareture variations.

End Connections

A choice of flanged, RTJ flanged or butt welding end for piping flexibility.

Body To Bonnet Joint

A flat face gasket joint is used in the 150lb to 600Lb valves. Ring joint is used in the body to bennet connection in 900lb & higher rated valves.

DISC

All Plug disc is stem guided on all size. Disc has a differential angle front the seat to provide a line contact for maximum sealing. The bottom of V-port disc is feuded by the body seat ring for maximum disc stability in throttling applications. the soft teflon ring is excellent for lower temperature service where tight shut off required.

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Cast steel Globe valve 150 LB /300 LB

Appiicarit Standards

  • Steel Globe Valves BS EN 13709/API600
  • Steel Valves ASME B16.34
  • Face To Face ASME B16.10
  • End Ranges ASME B16.5
  • Butt Welding Ends ASME B16.25
  • Inspection And Test API 598

Design Descriptions

  • Straight Pattern Body Design
  • OS & Y Out Side Screw and Yoke
  • Bb, Bolted Bonnet
  • Yoke Integral With Bonnet
  • Rising Stern And Hand Wheel
  • Loose Disc, Choice Of Plug Or Ball
  • Renewable Seat Ring
  • Impact Hand Wheel For 10" & Above
  • Horizontal Service
  • Ranged Or Butt Welding Ends
  • Available With BG Operator

Materials Of Parts

No. Part Name Carbon Steel  ASTM Material 1/1/4cr-1/2 mo
1 Body A216-WCB A217-WC6
2 Bonnet A216-WCB A217-WC6
3 Disc A105+CR13 A217-F1+HF
4 Stem Al 82-F6a CR-MO-V
5 Seat Ring A105+HF A182-F11+HF
6 Stem Backseat A276-420 A276-304
7 Bonnet Gasket Steel Ring 304SS ring
8 Bonnet Stud A193-B7 A193-B16
9 Bonnet Stud Nut A194-2H A194-7
10 Packing Graphtte
11 Gland A276-420 A276-304
12 Gland Flange A216-WCB A217-W06
13 Eye Bolt Pin Carbon Steel A276-420
14 Eye Bolt Carbon Steel A193-B7
15 Eye Bott Nut Carbon Steel A194-2H
16 Yoke Sleeve Aluminum-Bronze
17 Hand Wheel Malleable Iron

Dimensional Datas Of Ansi Class 150 LB

N PS 2 2/1/2 3 4 6 8 10 12 14 16 in
DN 50 65 80 100 150 200 250 300 350 400 mm
L/L1 8 8.5 9.5 11.5 16 19.5 24.5 27.5 31 36 in
(RF/BW) 203 216 241 292 406 495 622 698 787 914 mm
L2 8 8.5 9.5 11.5 16 19.5 24.5 27.5 31 36 in
(RTJ) 203 216 241 292 406 495 622 698 787 914 mm
H 15 21 17.5 20.25 22 24.25 32 35.88 48.38 57 in
(Open) 380 535 445 515 560 615 815 910 1230 1450 mm
Do 7 10 11 11 13 13 16 18 20 24 in
180 240 280 280 320 320 400 450 500 60 mm
Wt(kg.) 18 30 41 64 86 110 280 380 510 740 RE
14 22 33 43 72 88 245 345 450 665 BW

Dimensional Datas Of Ansi Class 300 LB

N PS 2 2/1/2 3 4 6 8 10 12 14 16 in
DN 50 65 80 100 150 200 250 300  350 400 mm
L/L1 10.5 11.5 12.5 14.00 17.5 22 24.5 28.00 in
(RF/BW) 267 292 318 356 444 559 622 711 mm
L2 11.12 12.12 13.12 14.62 18.12 22.62 25.12 28.62 in
(RTJ) 282 308 333 371 460 575 638 727 mm
H 16.75 19 19.88 22.50 25.25 33.25 35.5 38.62 in
(Open) 425 485 505 570 640 845 900 980 mm
Do 8 10 11 13 16 18 20 24 in
200 240 280 320 400 450 500 600 mm
Wt(kg.) 25 32 38 56 96 150 360 550 RE
20 22 27  41 75 117 310 492 BW
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Cast steel Globe valve 600 LB / 900 LB

Appucalle Standards

  • Steel Globe Valves BS EN 13709/API600
  • Steel Valves ASME B16.34
  • Face To Face ASME B16.10
  • End Ranges ASME B16.5
  • Butt Welding Ends ASME B16.25
  • Inspection And Test API 598

Design Descriptions

  • Straight Pattern Body Design
  • OS &Y Out Side Screw and Yoke
  • Bb, Bolted Bonnet
  • Yoke Integral VVith Bonnet
  • Rising Stem And Hand Wheel
  • Loose Disc, Choice Of Plug Or
  • Renewable Seat Ring
  • Impact Hand Wheel For 1 cr &Above
  • Horizontal Service
  • Ranged Or Butt Welding Ends
  • Available With BG Operator

Materials Of Parts

No. Part Name Carbon Steel  ASTM Material 1/1/4cr-1/2 mo
1 Body A216-WCB A217-WC6
2 Bonnet A216-WCB A217-WC6
3 Disc A105+CR13 A217-F11+HF
4 Stem A182-F6a CR-MO-V
5 Seat Ring A105+HF A182-F11+HF
6 Stem Backseat A276-420 A276-304
7 Bonnet Gasket Steel Ring 304SS ring
8 Bonnet Stud A193-B7 A193-B16
9 Bonnet Stud Nut A194-2H A194-7
10 Packing Graphite
11 Gland A276-420 A276-304
12 Gland Flange A216-WCB A217-W6
13 Eye Bolt Pin Carbon Steel A276-420
14 Eye Boit Carbon Steel A193-B7
15 Eye Boit Nut Carbon Steel A194-2H
16 Yoke Sleeve Aluminum-Bronze
17 Hand Wheel Malleable Iron

Dimensional Datas Of Ansi Class 600 LB

NPS 2 2/1/2 3 4 6 8 10 12 in
DN 50 65 80 100 150 200 250 300 mm
L/L1 11.5 13 14 17 22 26 31 33 in
(RF/BW) 292 330 356 432 559 660 787 838 mm
L2 11.62 13.12 14.12 17.12 22.12 26.12 31.12 33.12 in
(RTJ) 295 333 359 435 562 663 790 841 mm
H 17.5 19.75 21 24.5 29.5 36.5 44.88 53.12 in
(Open) 445 502 533 622 750 927 1140 1350 mm
Do 10 11 13 16 18 20 24 24 in
240 280 320 400 450 500 600 600 mm
Wt(kg.) 35 50 60 110 230 410 770 1140 RE
27 34 42 84 192 350 680 1030 BW

Dimensional Datas Of Ansi Class 900 LB

NPS 2 2/1/2 3 4 6 8 10 12 in
DN 50 65 80 100 150 200 250 300 mm
L/L1 14.5 16.5 15 18 24 29 33 in
(RF/BW) 368 419 381 457 610 737 838 Mil
L2 14.62 16.62 15.12 18.12 24.12 29.12 33.12 in
(RTJ) 371 422 384 460 613 740 841 mm
H 22 23.25 25.25 31.88 41.38 53.5 61.88 in
(Open) 560 590 640 810 1050 1360 1570 mm
Do 11 13 16 18 20 24 24 in
280 320 400 450 500 600 600 mm
Wt(kg.) 57 82 91 168 365 665 1250 RF
41 53 58 117 238 538 1060 BW
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Cast Steel Gate Valve 1500 LB /2500 LB

Applicable Standards

  • Steel CheckValves BS EN 13709/API 600
  • Steel Valves ASME B16.34
  • Face To Face ASME B16.10
  • End Ranges ASME B16.5
  • Butt Welding Ends ASME B16.25
  • Inspection and Test API 598

Design Descriptions

  • PBS, Pressure Seal Bonnet
  • OS&Y Out Side Screw And Yoke
  • BB, Bolted Bonnet
  • Renewable Seat Ring
  • Rising Stem And Hand Wheel
  • Ranged Or ButtWelding Ends
  • Available With BG Operator

Materials Of Parts

No. Part Name Carbon Steel  ASTM Material 1/1/4cr-1/2 mo
1 Body A216-WCB A217-WC6
2 Bonnet A216-WCB A217-W6
3 Disc A105+CR13 A217-F11+HF
4 Stem A182-F6a CR-MO-V
5 Seat Ring A105+HF A182-F11+HF
6 Stem Backseat A276-420 A276-304
7 Bonnet Gasket Steel Ring 304SS ring
8 Bonnet Stud A193-B7 A193-B16
9 Bonnet Stud Nut A194-2H A194-7
10 Packing Graphite
11 Gland A276-420 A276-304
12 Gland Flange A216-WCB P.217-W6
13 Eye Bolt Pin Carbon Steel A276-420
14 Eye Boit Carbon Steel A193-B7
15 Eye Boit Nut Carbon Steel A194-2H
16 Yoke Sleeve Aluminum-Bronze
17 Hand Wheel Malleable Iron

Dimensional Datas Of Ansi Class 1500 LB

NPS 2 2/1/2 3 4 6 8 in
DN 50 65 80 100 150 200 mm
L/L1 14.5 16.5 18.5 21.5 27.75 32.75 in
(RF/BW) 368 419 470 546 705 832 mm
L2 14.62 16.62 18.62 21.62 28 33.12 in
(RTJ) 371 422 473 549 711 841 mm
H 22 23.25 29.5 36 48.62 65 in
(Open) 560 590 750 915 1235 1650 mm
Do 13 16 18 20 24 28 in
320 400 450 500 600 700 mm
Wt(kg.) 68 97 116 215 445 795 RF
57 81 95 184 347 635 BW

Dimensional Datas Of Ansi Class 2500 LB

NPS 2 2/1/2 3 4 6 8 in
DN 50 65 80 100 150 200 mm
L/L1 17.75 20 22.75 26.5 36 in
(RF/BW) 451 508 578 673 914 mm
L2 17.88 20.5 23 26.88 36.5 in
(RTJ) 445 414 584 683 927 mm
H 25.5 28.12 32.5 47 70.5 in
(Open) 650 715 825 1195 1790 mm
Do 16 18 20 24 28 in
400 450 500 600 700 mm
Wt(kg.) 97 138 167 305 633 RF
72 95 108 196 351 BW
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