Powerflex
Recommends
Jobe Megaflow Trough Valve
1-1/4" Detachable Long Tail
$83.88
Sale price
$83.88
Regular price
Skip to product information
Need help choosing?
Call Us: 1-888-251-3934
Check the estimated time of arrival for your order.
Usually ships in 1-2 business days
Jobe Megaflow Trough Valve
$83.88
Sale price
$83.88
Regular price
Need help choosing?
Call Us: 1-888-251-3934
Check the estimated time of arrival for your order.
Usually ships in 1-2 business days
Jobe Megaflow Trough Valve – High-Flow Underwater Float Valve for Livestock Troughs
Ships directly from the manufacturer.
The Jobe Megaflow Trough Valve is a high-flow water trough float valve built for the automatic filling of livestock troughs and water storage tanks. It's configured for underwater mounting only — which Jobe says helps avoid freezing and makes the valve less prone to stock damage.
The float connects to the valve with a nylon cord. When the water level drops, the float opens a small pilot valve, which activates the main diaphragm valve for high flow and a positive on/off action. An inlet filter is built in, and the valve locks off with a cord lock.
The Megaflow mounts side or bottom entry, and comes in 1/2", 3/4", 1" and 1-1/4" inlets with short-tail and long-tail options — long tails are supplied with a backnut and seal washer for through-wall mounting. Built from corrosion-resistant materials with 304 stainless steel hardware, it's a good choice wherever a compact, robust, high-flow valve is needed.
Features
Underwater Mounting
Helps avoid freezing and keeps the valve out of reach of livestock.
High-Flow Pilot-Operated Design
Float-operated pilot valve drives the main diaphragm for fast refills.
Positive On/Off
Clean opening and closing as the float rises and falls.
Built-In Inlet Filter
Filters incoming water at the valve.
Cord Lock
Lock the valve off whenever you need to.
Which Megaflow Is Right for You?
Long Tail
Supplied with a backnut and seal washer for mounting through a trough or tank wall. Thread length: 3/4" – 1-1/2" | 1" – 2-1/8" | 1-1/4" – 2-3/8".
Short Tail
A compact, low-profile connection. Thread length: 1" – 7/8" | 1-1/4" – 1".
1-1/4" Detach Long Tail
Long tail on Jobe's Detach base.
Specifications
Inlet Sizes: 1/2", 3/4", 1", 1-1/4"
Operating Pressure: 5–150 psi (0.3–10 bar)
Max Temperature: 140°F (60°C)
Water Level Differential: 3/4"–2-1/2" (20–60mm), increases with water pressure
Mounting: Underwater only — side or bottom entry
Float: HDPE on polyester cord
Materials: Glass-filled nylon body, EPDM diaphragm, TPU seal, 304 stainless steel hardware
Jobe Megaflow Spec Sheet (PDF)
Frequently Asked Questions
Why mount a trough valve underwater?
Jobe notes underwater installation helps avoid freezing and makes the valve less prone to stock damage. Check that underwater mounting is allowed by your local regulations before installing.
How is the Megaflow different from the Topaz?
The Megaflow mounts underwater only (side or bottom entry) with its float on a cord. The Jobe Topaz Float Valve mounts above or below water, top, side or bottom.
Will it work on low-pressure systems?
The Megaflow operates from 5 psi (0.3 bar) up to 150 psi (10 bar).
Out of sight, out of reach, always flowing — the Jobe Megaflow keeps your troughs full.
Frequently bought Together
Jobe Detach Seal Access Connector (CNV20)
Jobe Detach Seal Access Connector (CNV20) – Precision Sea...
$26.40
Riser Valve for Quick Coupler - Powerflex
3/4" Riser Valve for Quick Coupler – Powerflex | Extend Y...
$6.76
Jobe Megaflow Water Valve - 3/4" Long Tail
Jobe Megaflow 3/4" Long Tail Trough Valve – High-Flow Und...
$76.07
Jobe Megaflow Water Valve - 1" Short Tail
Jobe Megaflow 1" Short Tail Trough Valve – High-Flow Unde...
$78.43
Jobe Valve2Hose Adaptor 3/4" FGHT x 3/4" FNPT
Jobe Valve2Hose Adaptor: 3/4" Garden Hose to 3/4" NPT Shi...
$11.32
Jobe Megaflow Water Valve - 1" Long Tail
Jobe Megaflow 1" Long Tail Trough Valve – High-Flow Under...
$77.33
Jobe Megaflow Water Valve 1-1/4" Short Tail
Jobe Megaflow 1-1/4" Short Tail Trough Valve – High-Flow ...
$79.97
Jobe Megaflow Yellow Actuator Tab
Jobe Megaflow Yellow Actuator Tab – The Replacement Part ...
$3.58
Jobe TankMount Adaptor 3/4" FGHT x 3/4" FNPT
Jobe TankMount Adaptor: Mount a 3/4" Float Valve with a G...
$25.58
Jobe Service Kit (Diaphragm Assembly) for Topaz & Megaflow Valves
Jobe Service Kit – Diaphragm Assembly for Topaz & Meg...
$22.43
Philmac Brass Water Trough Valve – 3/4"
Brass Durability for Reliable Automatic Trough Filling — ...
$97.39
Jobe Megaflow Detach Locking Ring
Jobe Megaflow Detach Locking Ring – Secure Your Detachabl...
$6.98
Jobe Topaz Float Valve - 1-1/4" Long Tail
Jobe Topaz 1-1/4" Long Tail Float Valve – Largest-Inlet T...
$112.75
Jobe Topaz Float Valve - 1-1/4" Short Tail
Jobe Topaz 1-1/4" Short Tail Float Valve – Largest-Inlet ...
$110.00
Jobe Topaz Float Valve - 3/4" Long Tail
Jobe Topaz 3/4" Long Tail Float Valve – Through-Wall Wate...
$107.46
Jobe Topaz Float Valve - 3/4" Short Tail
Jobe Topaz 3/4" Short Tail Float Valve – Compact Water Tr...
$103.57
Jobe Topaz Float Valve - 1" Long Tail
Jobe Topaz 1" Long Tail Float Valve – High-Flow Trough Va...
$110.00
Jobe Topaz Partfill Float Valve
Jobe Topaz Partfill Float Valve – Water Tank Float Valve ...
$267.72
Jobe Topaz Differential Float Valve
Jobe Topaz Differential Float Valve – Water Tank Float Va...
$294.25
Jobe Topaz Float Valve - 1" Detach Short Tail
Jobe Topaz 1" Detach Short Tail Float Valve – High-Flow T...
$103.57
Jobe Megaflow Valve 1-1/4" with Detachable Long Tail
Jobe Megaflow Valve – 1-1/4" Detachable Long Tail | Maxim...
$83.88
Jobe Detach Seal Access Connector (CNV20)
Jobe Detach Seal Access Connector (CNV20) – Precision Sea...
$26.40
Riser Valve for Quick Coupler - Powerflex
3/4" Riser Valve for Quick Coupler – Powerflex | Extend Y...
$6.76
Jobe Megaflow Water Valve - 3/4" Long Tail
Jobe Megaflow 3/4" Long Tail Trough Valve – High-Flow Und...
$76.07
Jobe Megaflow Water Valve - 1" Short Tail
Jobe Megaflow 1" Short Tail Trough Valve – High-Flow Unde...
$78.43
Jobe Megaflow Water Valve - 1" Long Tail
Jobe Megaflow 1" Long Tail Trough Valve – High-Flow Under...
$77.33
Jobe Megaflow Water Valve 1-1/4" Short Tail
Jobe Megaflow 1-1/4" Short Tail Trough Valve – High-Flow ...
$79.97
Jobe Valve2Hose Adaptor 3/4" FGHT x 3/4" FNPT
Jobe Valve2Hose Adaptor: 3/4" Garden Hose to 3/4" NPT Shi...
$11.32
Jobe TankMount Adaptor 3/4" FGHT x 3/4" FNPT
Jobe TankMount Adaptor: Mount a 3/4" Float Valve with a G...
$25.58
Jobe Megaflow Yellow Actuator Tab
Jobe Megaflow Yellow Actuator Tab – The Replacement Part ...
$3.58
Jobe Service Kit (Diaphragm Assembly) for Topaz & Megaflow Valves
Jobe Service Kit – Diaphragm Assembly for Topaz & Meg...
$22.43
Philmac Brass Water Trough Valve – 3/4"
Brass Durability for Reliable Automatic Trough Filling — ...
$97.39
Jobe Megaflow Detach Locking Ring
Jobe Megaflow Detach Locking Ring – Secure Your Detachabl...
$6.98
Jobe Topaz Float Valve - 1-1/4" Long Tail
Jobe Topaz 1-1/4" Long Tail Float Valve – Largest-Inlet T...
$112.75
Jobe Topaz Float Valve - 1-1/4" Short Tail
Jobe Topaz 1-1/4" Short Tail Float Valve – Largest-Inlet ...
$110.00
Jobe Topaz Float Valve - 3/4" Long Tail
Jobe Topaz 3/4" Long Tail Float Valve – Through-Wall Wate...
$107.46
Jobe Topaz Float Valve - 3/4" Short Tail
Jobe Topaz 3/4" Short Tail Float Valve – Compact Water Tr...
$103.57
Jobe Topaz Float Valve - 1" Long Tail
Jobe Topaz 1" Long Tail Float Valve – High-Flow Trough Va...
$110.00
Jobe Megaflow Valve 1-1/4" with Detachable Long Tail
Jobe Megaflow Valve – 1-1/4" Detachable Long Tail | Maxim...
$83.88
Jobe Topaz Float Valve - 1" Detach Short Tail
Jobe Topaz 1" Detach Short Tail Float Valve – High-Flow T...
$103.57
Jobe Topaz Differential Float Valve
Jobe Topaz Differential Float Valve – Water Tank Float Va...
$294.25
Jobe Topaz Partfill Float Valve
Jobe Topaz Partfill Float Valve – Water Tank Float Valve ...
$267.72