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  4. Alco Instrumentation Valves
  5. Double Block & Bleed Valves
  6. XCØ50 DBB Valve Manifold

XCØ50 DBB Valve Manifold (ID=300)

The XC Double Block and Bleed valve is based on standard Ball, Needle, Ball configuration with a 1/2" NPT screwed vent (plugged). Available from 2" to 3" in size and pressure class from 150lbs to class 2500lbs available in 3 standard materials.

  • Connection Size: 2" - 3"
  • Pressure Rating: Class 150 - 2500 (API Optional)
  • Temperature Range: -46°C up to 200°C
  • Fire safe to ISO 10497
  • Fugitive emission tight ball valve design
  • Class A tight to the CO2 level between-29°C > 40°C at pressure of 431 bar (6250 psi) and below
  • Class B tight to the CO1 level between -46°C > 100°C at pressure of 431 bar (6250 psi) and below
  • API 6A PR2 qualified ball valve design at class 2500
  • Endurance tested to 1200 operational cycles at class 2500 in accordance with API 6A criteria
  • Type Approval Tested in accordance with SPE 77-300 at class 2500 + class 600 between +150°C and -29°C
Item NumberDescriptionMaterialQuantity
1 Bolt on Flange # 2
2 Stud * 12-16
3 Nut * 12-16
4 O-Ring Endura V91A 2
5 Back-Up Ring Peek 2
6 Seat Retainer A479 UNS S31803 2
7 Back-up Ring Peek 2
8 O-Ring Endura V91A 2
9 1/2" NPT Blank Plug ✝ 1
10 Body Seal Graphite 4
11 TB2 Handle UNS S31600 2
12 Valve Body # 1
13 Handle Boss UNS S31600 2
14 Handle Washer UNS S31600 2
15 SHC Screw A4 ST/ST 2
16 SET Screw A4 ST/ST 1
17 Lifting Eye A4 ST/ST 1
18 Extended "T" Handle UNS S31600 1
19 Hex Cap Screw A4 ST/ST 1
20 Stem A479 UNS S31803 2
21 Hex Nut A4 ST/ST 2
22 Belleville Washer ST/ST 4
23 Spacer A4 ST/ST 2
Item NumberDescriptionMaterialQuantity
24 Anti-Extrusion Ring Peek 4
25 Stem Seal Graphite 6
26 Thrust Washer Peek 2
27 Back-up Ring Peek 2
28 O-Ring Endura V91A 2
29 Stop Pin UNS S31600 2
30 Anti-Static Spring Inconel X750 4
31 Seat Peek 4
32 Ball A479 UNS S31803 2
33 2.5mm Ball B446 UNS N06625 4
34 Packing Washer RTFE 2
35 Gland Packing Graphite 3
36 Bonnet Seal UNS S31600 1
37 Needle Valve Tip A479 UNS S31803 1
38 Needle Stem A479 UNS S31803 1
39 Dust Cap PVC 1
40 Gland Adjuster UNS S31600 1
41 Gland Locknut UNS S31600 1
42 Bonnet Housing ☨ 1
43 SHC Screw A4 ST/ST 1
44 Locking Cam UNS S31600 1
45 Locking Pin UNS S31600 2
46 Locking Pin Spring UNS S31600 2

# = Body/Flange Material (S=F316, L=LF2, U=F51)* = Bolting Material (S&U=B8M/8MA, L=L7M/7M)✝ = 1/2" Vent Plug Material (S&L=A479 UNS S31600, U=A479 UNS S31803) ☨ = Bonnet Housing Material (S&L=A479 UNS S31600, U=A479 UNS S31803)

Products

RF/RTJ Flange x Flange/NPT

Flange Size (in.)Class RatingPart NumberA-RFA-RTJA 1/2" NPT-RFA 1/2" NPT-RTJØB-RFØB-RTJØCDE-RFE-RTJFGNominal Mass
(in.) (mm) (in.) (mm) (in.) (mm) (in.) (mm) (in.) (mm) (in.) (mm) (in.) (mm) (in.) (mm) (in.) (mm) (in.) (mm) (in.) (mm) (in.) (mm) (lbs.) (Kg)
2" 150 XC-50#-16AR☨16AR☨-B*-*** 18.07 459 18.39 467 18.70 475 18.86 479 3.63 92.1 4.02 102.1 5.91 150 0.71 18 0.08 2.0 0.25 6.4 6.69 170 11.81 300 138.89 63
2" 300 XC-50#-16BR☨16BR☨-B*-*** 18.54 471 19.02 483 18.94 481 19.17 487 3.63 92.1 4.26 108.1 6.50 165 0.83 21.2 0.08 2.0 0.31 7.9 6.69 170 11.81 300 143.30 65
2" 600 XC-50#-16CR☨16CR☨-B*-*** 19.33 491 19.41 493 19.33 491 19.37 492 3.63 92.1 4.26 108.1 6.50 165 1.02 25.9 0.28 7.0 0.31 7.9 6.69 170 11.81 300 145.50 66
2" 900/1500 XC-50#-16ER☨16ER☨-B*-*** 20.98 533 21.06 535 20.16 512 20.20 513 3.63 92.1 4.89 124.1 8.46 215 1.52 38.6 0.28 7.0 0.31 7.9 7.87 200 19.69 500 176.37 80
2" 2500 XC-50#-16FR☨16FR☨-B*-*** 22.24 565 22.32 567 20.79 528 20.83 529 3.63 92.1 5.24 133.1 9.25 235 2.02 51.4 0.28 7.0 0.31 7.9 7.87 200 19.69 500 200.62 91
3" 150 XC-50#-16AR☨16AR☨-B*-*** 18.78 477 19.09 485 19.06 484 19.21 488 5.0 127 5.24 133.1 7.48 190 0.90 22.8 0.08 2.0 0.25 6.4 6.69 170 11.81 300 152.12 69
3" 300 XC-50#-16BR☨16BR☨-B*-*** 19.41 493 19.88 505 19.37 492 19.61 498 5.0 127 5.75 146.1 8.27 210 1.08 27.5 0.08 2.0 0.31 7.9 7.87 200 11.81 300 163.14 74
3" 600 XC-50#-16CR☨16CR☨-B*-*** 20.20 513 20.28 515 19.76 502 19.80 503 5.0 127 5.75 146.1 8.27 210 1.27 32.3 0.28 7.0 0.31 7.9 7.87 200 11.81 300 169.76 77
3" 900 XC-50#-16ER☨16ER☨-B*-*** 20.98 533 21.06 535 20.16 512 20.20 513 5.0 127 6.15 156.1 9.45 240 1.52 38.6 0.28 7.0 0.31 7.9 7.87 200 19.69 500 191.80 87
3" 1500 XC-50#-16FR☨16FR☨-B*-*** 22.01 559 22.09 561 20.67 525 20.71 526 5.0 127 6.62 168.1 10.43 265 1.90 48.2 0.28 7.0 0.31 7.9 9.45 240 19.69 500 222.67 101
3" 2500 XC-50#-16FR☨16FR☨-B*-*** 23.66 601 23.90 607 21.50 546 21.61 549 5.0 127 6.62 168.1 12.01 305 2.65 67.2 0.28 7.0 0.37 9.5 9.45 240 19.69 500 293.21 133
4" 150 XC-50#-16AR☨16AR☨-B*-*** 18.78 477 19.17 487 19.06 484 19.25 489 6.19 157.2 6.74 171.1 9.06 230 0.90 22.8 0.08 2.0 0.25 6.4 7.87 200 11.81 300 165.35 75
4" 300 XC-50#-16BR☨16BR☨-B*-*** 19.65 499 20.12 511 19.49 495 19.72 501 6.19 157.2 6.89 175.1 10.04 255 1.21 30.7 0.08 2.0 0.31 7.9 7.87 200 11.81 300 187.39 85
4" 600 XC-50#-16CR☨16CR☨-B*-*** 20.67 525 20.75 527 20.00 508 20.04 509 6.19 157.2 6.89 175.1 10.83 275 1.52 38.6 0.28 7.0 0.31 7.9 9.45 240 11.81 300 213.85 97
4" 900 XC-50#-16ER☨16ER☨-B*-*** 21.46 545 21.54 547 20.39 518 20.43 519 6.19 157.2 7.13 181.1 11.42 290 1.77 45.0 0.28 7.0 0.31 7.9 9.45 240 19.69 500 235.89 107
4" 1500 XC-50#-16FR☨16FR☨-B*-*** 22.56 573 22.64 575 20.94 532 20.98 533 6.19 157.2 7.64 194.1 12.20 310 2.15 54.5 0.28 7.0 0.31 7.9 9.45 240 19.69 500 273.37 124
4" 2500 XC-50#-16FR☨16FR☨-B*-*** 24.45 621 24.76 629 21.89 556 22.05 560 6.19 157.2 8.00 203.1 13.98 355 3.02 76.7 0.28 7.0 0.44 11.1 9.45 240 19.69 500 379.19 172

# = Body/Flange Material (S=F316, L=LF2, U=F51)* = Bolting Material (2FC=L7M, 8ST=B8M)☨ = Flange Type (F=RF, J=RTJ)*** = Handle Options (SHO=Standard, HLK=Handle Lockable)

Flange x NPT
XC-50#-16AR☨##02-B*-***
XC-50#-16BR☨##02-B*-***

NPT configurations: please note part codes vary depending on the configuration of the valve, as shown above.## = NPT SIZE (10=1 1/4'', 12=1 1/2'', 16=2", 20=2 1/2")

SizeRFRTJ
1 1/4" -56 -56
1 1/2" -56 -56
2 1/2" +12 +12

In order to obtain overall length values (A) for 2" and 2 1/2" NPT connections, the values in the above table need to be added or subtracted from the overall length (A). For example, to calculate the overall length for an RF Flange x 2 1/2" female NPT, we add 12 to the 2" NPT - RF values in the main table.

Region:North America
Location of : United States: US: LooKupArray ( [userLocation] => US [userRegion] => North America )