9100 Flanged "L" Orifice - Mercer Valve Co., Inc.

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Features:

Designed with "Auto Seat Technology"®
A low rated and fully guided spring allows for more consistent Set Pressures from pop to pop.
Consistent Set Pressures allows for repeatable use without the need for excessive repairs or resetting.
Open, Close, Seat and Seal™
Fully guided disk for the proper alignment, opening and closing, and reseating of the valve.
Mechanical Stop prevents wear on parts and controls valve lift.
Pop Action relief allows the valve to go to full lift at Set Pressure. This helps with DOT regulated applications.
Non-rising stems allowing valves to be installed in small areas.
Sour Service Trim available.
Additional options available to meet NACE MR0175 requirements.
Canadian Registration Number (CRN)
Additional options available to meet Conformité Européenne (CE) to PED Directive 2014/68/EU and/or ATEX Directive 2014/34/EU

Valve Shipping Flyers Repair Kit Flyers IOM Manuals Selection Dimensions

9100 Flanged "L" | Model Specifications
Orifice	L (USC)	L (SI)
OrificeStandard Inlet Sizes	L (USC) 3", 4"	L (SI) DN 80, DN 100
OrificeInlet and Outlet Connection Types	L (USC) RF x RF, RTJ x RF, RTJ x RTJ	L (SI) RF x RF, RTJ x RF, RTJ x RTJ
OrificeActual Orifice Diameter	L (USC) 2.020 in	L (SI) 51.3 mm
OrificeActual Orifice Area	L (USC) 3.205 in²	L (SI) 2067.7 mm²
OrificeAPI Orifice Area	L (USC) 2.853 in²	L (SI) 1840.6 mm²
OrificePressure Range	L (USC) 15 – 1250 psig	L (SI) 104 – 8618 kPa
OrificeStandard Temperature Range	L (USC) -20°F to 400°F	L (SI) -29°C to 204°C
OrificeASME Flow Coefficient, K_d (Gas)	L (USC) 0.818	L (SI) 0.818
OrificeASME Flow Coefficient, K_d (Liquid)	L (USC) 0.707	L (SI) 0.707

Mercer Valve Co., Inc. reserves the right to change product designs and specifications without notice.

9100 Flanged "L" | Part Number Selection

91 -

A | INLET & OUTLET COMBINATION

(See Dimensions & Weights, below.)

B | API ORIFICE LETTER

L - 3.205 in²

C | INLET & OUTLET TYPE / BODY MATERIAL

1^★ – RF x RF / WCB CARBON STEEL

3^★ – RTJ x RF / WCB CARBON STEEL

2 – RF x RF / CF3M STAINLESS STEEL

4 – RTJ x RF / CF3M STAINLESS STEEL

A – RTJ x RTJ / WCB CARBON STEEL

B – RTJ x RTJ / CF3M STAINLESS STEEL

P – RF x RF / LCC TEMP CARBON STEEL

Q – RF x RF / LCC TEMP CARBON STEEL

D | CAP TYPE

1^★ – CLOSED CAP

2 – OPEN LIFT LEVER

3 – CLOSED LIFT LEVER

E | SEAT MATERIAL

V^★ – FKM

T^★ – PTFE

P^★ – VIRGIN PEEK

B – BUNA-N

E – EPDM

N – NEOPRENE

F – FKM (LOW TEMP)

F | SPRING CODE

(Spring codes assigned by Mercer Valve.)

G | TRIM CODES

U^★ – 316 S.S. DISK & NOZZLE (GAS SERVICE ≤ 600 PSIG)

C^★ – 440C S.S. DISK, 17-4 S.S. NOZZLE (GAS SERVICE > 600 PSIG)

L^★ – 316 S.S. DISK & NOZZLE (LIQUID SERVICE)

N^★ – 316 S.S. DISK & NOZZLE (SOUR GAS SERVICE)

B^★ – 316 S.S. DISK & NOZZLE (SOUR LIQUID SERVICE)

X – ALL 316 S.S. (OPTIONAL GAS SERVICE)

LX – ALL 316 S.S. (OPTIONAL LIQUID SERVICE)

BX – ALL 316 S.S. (OPTIONAL SOUR LIQUID SERVICE)

NX – ALL 316 S.S. (OPTIONAL SOUR GAS SERVICE)

H | O-RING MATERIAL

1^★ – FKM & BUNA-N (STANDARD)

2 – FKM 75 DURO

3 – FKM 90 DURO

4 – BUNA-N 70 DURO

5 – BUNA-N 75 DURO (LOW TEMP)

7 – FFKM

9 – NEOPRENE

A – CHEMRAZ®

C – EPDM 80 DURO

D – EPDM 90 DURO

G – TFE/P

H – SILICONE

J – FLUOROSILICONE

K – HNBR

L – PC BUNA

M – FKM ED

P – FKM 75 DURO (LOW TEMP)

I | TWO-DIGIT "SPECIAL" CODE

(Two-digit special codes assigned by Mercer Valve, if applicable.)

^★Standard Materials or Options.


Inlet and Outlet Code	Inlet and Outlet Size (in)	Pressure Limit^{1, 2} (psig)	Dimensions² "A" x "B" x "C" (in ± .062)	Approximate Weight² (lbs)
Inlet and Outlet Code67^★^☆	Inlet and Outlet Size (in) 3" 150 x 4" 150	Pressure Limit^{1, 2} (psig) 285	Dimensions² "A" x "B" x "C" (in ± .062) 6.125 x 6.500 x 15.688	Approximate Weight² (lbs) 97
Inlet and Outlet Code68	Inlet and Outlet Size (in) 3" 300 x 4" 150	Pressure Limit^{1, 2} (psig) 285	Dimensions² "A" x "B" x "C" (in ± .062) 6.125 x 6.500 x 15.688	Approximate Weight² (lbs) 100
Inlet and Outlet Code70^★	Inlet and Outlet Size (in) 4" 150 x 6" 150	Pressure Limit^{1, 2} (psig) 285	Dimensions² "A" x "B" x "C" (in ± .062) 7.062 x 7.188 x 17.249	Approximate Weight² (lbs)
Inlet and Outlet Code71^★^☆	Inlet and Outlet Size (in) 4″ 300 x 6" 150	Pressure Limit^{1, 2} (psig) 740	Dimensions² "A" x "B" x "C" (in ± .062) 7.062 x 7.125 x 17.249	Approximate Weight² (lbs) 180
Inlet and Outlet Code72^★^☆	Inlet and Outlet Size (in) 4" 600 x 6" 150	Pressure Limit^{1, 2} (psig) 1250	Dimensions² "A" x "B" x "C" (in ± .062) 7.062 x 8.000 x 17.249	Approximate Weight² (lbs) 195
Inlet and Outlet Code73^★^☆	Inlet and Outlet Size (in) 4" 900 x 6" 150	Pressure Limit^{1, 2} (psig) 1250	Dimensions² "A" x "B" x "C" (in ± .062) 7.750 x 8.750 x 17.937	Approximate Weight² (lbs)

¹Pressure limit may be subject to system conditions and temperatures.
²Pressure limit, weight, and “C” dimension may vary with sour gas service and other options.
^★Standard Materials or Options.
^☆Flange dimensions compliant with API 526.

9100 Flanged "L" | Dimensions & Weights (SI)
Inlet and Outlet Code	Inlet and Outlet Size DN (mm)	Pressure Limit^{1, 2} (kPa)	Dimensions² "A" x "B" x "C" (mm ± 1.6)	Approximate Weight² (kg)
Inlet and Outlet Code67^★^☆	Inlet and Outlet Size DN (mm)DN 80 150 x DN 100 150	Pressure Limit^{1, 2} (kPa)1965	Dimensions² "A" x "B" x "C" (mm ± 1.6)155.6 x 165.1 x 398.5	Approximate Weight² (kg)44.0
Inlet and Outlet Code68	Inlet and Outlet Size DN (mm)DN 80 300 x DN 100 150	Pressure Limit^{1, 2} (kPa)1965	Dimensions² "A" x "B" x "C" (mm ± 1.6)155.6 x 165.1 x 398.5	Approximate Weight² (kg)45.4
Inlet and Outlet Code70^★	Inlet and Outlet Size DN (mm)DN 100 150 x DN 150 150	Pressure Limit^{1, 2} (kPa)1965	Dimensions² "A" x "B" x "C" (mm ± 1.6)179.4 x 182.6 x 438.2	Approximate Weight² (kg)
Inlet and Outlet Code71^★^☆	Inlet and Outlet Size DN (mm)DN 100 300 x DN 150 150	Pressure Limit^{1, 2} (kPa)5102	Dimensions² "A" x "B" x "C" (mm ± 1.6)179.4 x 181.0 x 438.2	Approximate Weight² (kg)81.6
Inlet and Outlet Code72^★^☆	Inlet and Outlet Size DN (mm)DN 100 600 x DN 150 150	Pressure Limit^{1, 2} (kPa)8618	Dimensions² "A" x "B" x "C" (mm ± 1.6)179.4 x 203.2 x 438.2	Approximate Weight² (kg)88.5
Inlet and Outlet Code73^★^☆	Inlet and Outlet Size DN (mm)DN 100 900 x DN 150 150	Pressure Limit^{1, 2} (kPa)8618	Dimensions² "A" x "B" x "C" (mm ± 1.6)169.9 x 222.3 x 455.7	Approximate Weight² (kg)

9100 Flanged “L” Orifice

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